Extracting prog: 26m26.108667679s Minimizing prog: 2h59m22.049579072s Simplifying prog options: 18m33.448897191s Extracting C: 5m13.052083447s Simplifying C: 0s extracting reproducer from 25 programs testing a last program of every proc single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-mmap$auto-socket-ioctl$auto_FS_IOC_UNRESVSP64-openat$auto_ecryptfs_miscdev_fops_miscdev-write$auto-bind$auto-connect$auto-socketpair$auto-recvmmsg$auto-prctl$auto-socketpair$auto-select$auto-sendmmsg$auto-socket-sendmsg$auto_OVS_FLOW_CMD_GET-read$auto-openat$auto_proc_reg_file_ops_compat_inode-readv$auto-read$auto_proc_reg_file_ops_compat_inode-openat$auto_kvm_chardev_ops_kvm_main-ioctl$auto_KVM_CREATE_VM-madvise$auto-mmap$auto-io_uring_setup$auto-mmap$auto-close_range$auto-io_uring_setup$auto-mmap$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb2, 0x402, 0x300000000000) mmap$auto(0x0, 0x20009, 0x4000000000df, 0x40000000000eb1, 0x401, 0x8000) r0 = socket(0x2, 0x2, 0x0) ioctl$auto_FS_IOC_UNRESVSP64(r0, 0x4030582b, 0x9) r1 = openat$auto_ecryptfs_miscdev_fops_miscdev(0xffffffffffffff9c, &(0x7f00000001c0), 0x1, 0x0) write$auto(r1, &(0x7f0000000c40)='gthtool\x00', 0x5) bind$auto(0x3, &(0x7f0000000100)=@in={0x2, 0x3, @empty}, 0x6a) connect$auto(0x3, &(0x7f0000000080)=@in={0x2, 0x3, @dev={0xac, 0x14, 0x14, 0x10}}, 0x54) r2 = socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0) recvmmsg$auto(0x3, 0x0, 0x10000, 0x700, 0x0) prctl$auto(0x3e, 0x1000001, 0x0, 0x1, 0x0) socketpair$auto(0x1, 0x2, 0x8000000000000000, 0x0) select$auto(0xe, 0x0, 0x0, &(0x7f00000002c0)={[0x1ff, 0x9, 0x8, 0x1, 0x2, 0x4, 0x15f4da0e, 0x3, 0xd08, 0xc, 0x8, 0x4, 0x6d3f, 0x9, 0x2, 0x4000000000000d]}, 0x0) sendmmsg$auto(0x3, 0x0, 0x9a6, 0x7000000) socket(0xa, 0x2, 0x3a) sendmsg$auto_OVS_FLOW_CMD_GET(r2, &(0x7f00000003c0)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000380)={&(0x7f0000000340)={0x18, 0x0, 0x400, 0x70bd27, 0x25dfdbfd, {}, [@OVS_FLOW_ATTR_PROBE={0x4}]}, 0x18}, 0x1, 0x0, 0x0, 0x10}, 0x4000) read$auto(r0, 0x0, 0x2000000000007) r3 = openat$auto_proc_reg_file_ops_compat_inode(0xffffffffffffff9c, 0x0, 0x0, 0x0) readv$auto(r0, &(0x7f00000000c0)={&(0x7f0000000400)="aee0b8e7c69c10e0c15742274204589e770aa7bd9d154e2363b0a92cdbd7e1885256c7756ed772fccd69cc41139b9f49703273217b1e2a030229337f3a304580cdede355c5ece4a729acee9debbc3a43646fa0fad699a1d078e159824acc83f0394296878a879c334f1c7d2614a17b53f2b83d8b019f910d0f126e640828b27bdf06a634f84df5eb051358cc117b8b6f471c8587d3c2288847", 0x3}, 0x7) read$auto_proc_reg_file_ops_compat_inode(r3, &(0x7f0000000000)=""/65, 0x41) r4 = openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f00000011c0), 0xe0180, 0x0) ioctl$auto_KVM_CREATE_VM(r4, 0xae01, 0x0) madvise$auto(0x0, 0x20499d, 0x9) mmap$auto(0x0, 0x20005, 0x1ff, 0xeb1, 0x8000000000000024, 0x8000) io_uring_setup$auto(0x52, 0x0) mmap$auto(0x0, 0x810004, 0xffb, 0x8000000008011, 0xffffffffffffffff, 0x8000) close_range$auto(0x2, 0x8, 0x0) io_uring_setup$auto(0x2, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-futex$auto-lstat$auto-ioctl$auto_FBIO_CURSOR-syz_clone-mmap$auto-futex$auto-mmap$auto-mmap$auto-socket-preadv$auto-bind$auto-openat$auto_cec_devnode_fops_cec_priv-ioctl$auto_CEC_ADAP_S_LOG_ADDRS-connect$auto-openat$auto_snd_rawmidi_f_ops_rawmidi-write$auto-sysfs$auto-openat$auto_ubi_ctrl_cdev_operations_ubi-connect$auto-prctl$auto-sendmmsg$auto-close_range$auto-socket$nl_generic-socket-mmap$auto-close_range$auto-socket$nl_generic-socket-socket detailed listing: executing program 0: mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000) futex$auto(&(0x7f0000000080)=0x1, 0xb, 0x1, 0x0, 0x0, 0xfffffffa) lstat$auto(0x0, 0x0) ioctl$auto_FBIO_CURSOR(0xffffffffffffffff, 0xc0684608, 0x0) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) mmap$auto(0x0, 0x1, 0x4000000000df, 0xeb1, 0x401, 0x8000) futex$auto(&(0x7f0000000080)=0x1, 0xb, 0x1, 0x0, 0x0, 0xfffffffa) mmap$auto(0xb71f, 0x4, 0x4, 0x16, 0xffffffffffffffff, 0x6) mmap$auto(0x0, 0x4020009, 0x6, 0xeb1, 0x401, 0x8000) socket(0x2, 0x801, 0x100) preadv$auto(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x6}, 0x7, 0xbbf, 0x69bf) bind$auto(0x3, &(0x7f0000000040)=@in={0x2, 0x3, @multicast2}, 0x6a) r0 = openat$auto_cec_devnode_fops_cec_priv(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cec8\x00', 0x101901, 0x0) ioctl$auto_CEC_ADAP_S_LOG_ADDRS(r0, 0xc05c6104, &(0x7f0000000100)={'\x00', 0xfffc, 0x6, 0x40, 0x9b4, 0x7, "00000000000001000000ffffffe500", "0400", '\x00', '\x00', ["00000f0008b330ac007abfc1", "0000000000000300", "0800000000000000000000ec", "0017000000ef00"]}) connect$auto(0x3, &(0x7f00000000c0)=@in={0x2, 0x3, @empty}, 0x51) r1 = openat$auto_snd_rawmidi_f_ops_rawmidi(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snd/midiC2D0\x00', 0x1, 0x0) write$auto(r1, &(0x7f0000000300)='/d\x00'/12, 0x100000a3d9) sysfs$auto(0x2, 0x10000000000000e, 0x0) openat$auto_ubi_ctrl_cdev_operations_ubi(0xffffffffffffff9c, &(0x7f0000000180), 0x218141, 0x0) connect$auto(0x3, &(0x7f0000000000)=@generic={0xa, "0000e100"}, 0x58) prctl$auto(0x3e, 0x1, 0x0, 0x1, 0x0) sendmmsg$auto(0x3, 0x0, 0x9a6, 0x7000000) close_range$auto(0x2, 0x8, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket(0x28, 0x801, 0x0) mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socket(0x848000000015, 0x805, 0x0) socket(0xa, 0x3, 0x100) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto-prctl$auto_PR_SCHED_CORE_GET-openat$auto_loop_ctl_fops_loop-openat$auto_proc_fail_nth_operations_base-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) prctl$auto_PR_SCHED_CORE_GET(0x9, 0x0, 0x0, 0x0, 0x26fa) openat$auto_loop_ctl_fops_loop(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) r6 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/fail-nth\x00', 0x411a02, 0x0) write$auto(r6, &(0x7f0000000040)='7\x00\\\xa0\x04|\x03\xcb\x12\xfa\b\x1c\xc7k', 0x81) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto-prctl$auto_PR_SCHED_CORE_GET-openat$auto_loop_ctl_fops_loop-openat$auto_proc_fail_nth_operations_base-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) prctl$auto_PR_SCHED_CORE_GET(0x9, 0x0, 0x0, 0x0, 0x26fa) openat$auto_loop_ctl_fops_loop(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) r6 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/fail-nth\x00', 0x411a02, 0x0) write$auto(r6, &(0x7f0000000040)='7\x00\\\xa0\x04|\x03\xcb\x12\xfa\b\x1c\xc7k', 0x81) program crashed: INFO: task hung in remove_one single: successfully extracted reproducer found reproducer with 30 syscalls minimizing guilty program testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto-prctl$auto_PR_SCHED_CORE_GET-openat$auto_loop_ctl_fops_loop-openat$auto_proc_fail_nth_operations_base detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) prctl$auto_PR_SCHED_CORE_GET(0x9, 0x0, 0x0, 0x0, 0x26fa) openat$auto_loop_ctl_fops_loop(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/fail-nth\x00', 0x411a02, 0x0) program crashed: INFO: task hung in devlink_health_report testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto-prctl$auto_PR_SCHED_CORE_GET-openat$auto_loop_ctl_fops_loop detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) prctl$auto_PR_SCHED_CORE_GET(0x9, 0x0, 0x0, 0x0, 0x26fa) openat$auto_loop_ctl_fops_loop(0xffffffffffffff9c, &(0x7f0000000040), 0x40, 0x0) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto-prctl$auto_PR_SCHED_CORE_GET detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) prctl$auto_PR_SCHED_CORE_GET(0x9, 0x0, 0x0, 0x0, 0x26fa) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r4 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r5 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) write$auto(r4, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-sendmsg$auto_OVS_PACKET_CMD_EXECUTE detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) sendmsg$auto_OVS_PACKET_CMD_EXECUTE(r4, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000280)=ANY=[@ANYRES64, @ANYRES32=r3, @ANYRES64=r2, @ANYBLOB="894f844ea904ebea19000000120001640043005af77d2e758fa4192512ca500000"], 0x4c}, 0x1, 0x0, 0x0, 0x4dac570dbc48b4a8}, 0x4004c844) program did not crash testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-syz_genetlink_get_family_id$auto_ovs_packet-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$auto_ovs_packet(&(0x7f0000001940), 0xffffffffffffffff) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-socket$nl_generic-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) socket$nl_generic(0x10, 0x3, 0x10) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-syz_genetlink_get_family_id$auto_seg6-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) syz_genetlink_get_family_id$auto_seg6(&(0x7f0000000100), 0xffffffffffffffff) write$auto(0xffffffffffffffff, 0x0, 0x1ff) program did not crash testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0xc40, 0x0) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x2, 0x401, 0x1000, 0x8000000000000011, 0xffffffffffffffff, 0x5) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) r3 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r3, 0x0, 0x1ff) program crashed: INFO: task hung in devlink_health_report testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_proc_fail_nth_operations_base-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r2, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-read$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) read$auto(r1, 0x0, 0x20) r2 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r2, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-faccessat2$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) faccessat2$auto(0xffffffffffffffff, 0x0, 0x0, 0x7) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x90180, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-write$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) write$auto(0xffffffffffffffff, &(0x7f0000000300)='.o\xd3\xa49\xaf\xa9\xe4\xe17\x12\xb3Z\x17I\x82\xdc\xbeiw\xc1\xd1\x8d\x9b\r\x9aR\xe7\x9f\xd8\xab\x16`f\nT\xaa\xfap \xe6\xdaV\xdeD\x8dR5\xd2\xe58\n\xff\x19+\xeb\xb3+\xf6\xc6\a\x00\x00\x00\xf1A\xa5\x95\x1fk\x1f\xff\x99gP\x9e\x88\x97]\x93\xf4\xdd<\xe7p\x0e\xd4C\xdc\x84\v\xafz\xfd\x81\xa3\xb2\xbb\xa4\xd9\xf2P\xa8\xe9\x8f\x13\xa7\x98\x85\xf8\v\aB\xfc\xfa\x14E\xb8y\x884<\xa7\xffyb\x8a\b\xbb\x1b\x13W\xe3\xf7\xd8\x83\xc9\xd7\x8c', 0x6) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) mmap$auto(0xa, 0x40009, 0x5, 0x10, 0xffffffffffffffff, 0x9) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-ftruncate$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) ftruncate$auto(0x3, 0x400180200000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_proc_sys_file_operations_proc_sysctl-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000180)='/proc/sys/net/ipv6/conf/bridge_slave_0/mldv2_unsolicited_report_interval\x00', 0x40001, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-close_range$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-execve$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) execve$auto(0x0, 0x0, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) mmap$auto(0x0, 0x24000a, 0x2, 0x9b72, r0, 0x28000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r1, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000000)='/sys/devices/virtual/net/eql/ifalias\x00', 0xb02, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-socket$nl_generic-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) socket$nl_generic(0x10, 0x3, 0x10) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) close_range$auto(0x2, 0x8, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program did not crash testing program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program did not crash extracting C reproducer testing compiled C program (duration=8m44.151931596s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one extracting C reproducer testing compiled C program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program did not crash testing program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one validation run: crashed=true testing program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one validation run: crashed=true testing program (duration=8m44.151931596s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-openat$auto_kernfs_file_fops_kernfs_internal-openat$auto_nsim_dev_health_break_fops_health-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x2deb43, 0x0) r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/netdevsim/netdevsim1/health/break_health\x00', 0x149081, 0x0) write$auto(r0, 0x0, 0x1ff) program crashed: INFO: task hung in remove_one validation run: crashed=true reproducing took 4h2m11.514207753s repro crashed as (corrupted=false): INFO: task kworker/u8:5:1139 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:22344 pid:1139 tgid:1139 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 __debugfs_file_removed fs/debugfs/inode.c:769 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:776 __simple_recursive_removal+0x158/0x610 fs/libfs.c:631 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:799 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1710 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:983 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:160 [inline] ops_undo_list+0x187/0xab0 net/core/net_namespace.c:233 cleanup_net+0x408/0x890 net/core/net_namespace.c:682 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:8396 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24008 pid:8396 tgid:8396 ppid:1 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x81b/0x1060 kernel/locking/mutex.c:760 device_lock include/linux/device.h:911 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3840 device_unregister+0x1d/0xc0 drivers/base/core.c:3919 nsim_bus_dev_del drivers/net/netdevsim/bus.c:483 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244 bus_attr_store+0x71/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xef/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x3ac/0x570 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d3/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45e338d97f RSP: 002b:00007ffcd2742d00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f45e338d97f RDX: 0000000000000001 RSI: 00007ffcd2742d50 RDI: 0000000000000005 RBP: 00007f45e3413239 R08: 0000000000000000 R09: 00007ffcd2742b57 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffcd2742d50 R14: 00007f45e4114620 R15: 0000000000000003 INFO: task syz.3.2318:8422 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.2318 state:D stack:27608 pid:8422 tgid:8422 ppid:6011 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x81b/0x1060 kernel/locking/mutex.c:760 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x12e/0x1a0 fs/debugfs/file.c:388 vfs_write+0x29d/0x11d0 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0fa058eec9 RSP: 002b:00007ffea69868c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0fa07e5fa0 RCX: 00007f0fa058eec9 RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f0fa0611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0fa07e5fa0 R14: 00007f0fa07e5fa0 R15: 0000000000000003 INFO: task syz.0.2355:8462 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.2355 state:D stack:27608 pid:8462 tgid:8462 ppid:6005 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 rwsem_down_read_slowpath+0x64e/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:885 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdea918eec9 RSP: 002b:00007ffd64326518 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdea93e5fa0 RCX: 00007fdea918eec9 RDX: 0000000000149081 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007fdea9211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdea93e5fa0 R14: 00007fdea93e5fa0 R15: 0000000000000004 INFO: task syz.2.2358:8466 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.2358 state:D stack:27608 pid:8466 tgid:8466 ppid:6007 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 rwsem_down_read_slowpath+0x64e/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:885 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f138dd8eec9 RSP: 002b:00007ffdeaf6ac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f138dfe5fa0 RCX: 00007f138dd8eec9 RDX: 0000000000149081 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007f138de11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f138dfe5fa0 R14: 00007f138dfe5fa0 R15: 0000000000000004 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775 6 locks held by kworker/u8:5/1139: #0: ffff88801c6fe948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3211 #1: ffffc90003cefd10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3212 #2: ffffffff90372a90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x890 net/core/net_namespace.c:658 #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:911 [inline] #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:915 [inline] #5: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:627 2 locks held by getty/5629: #0: ffff88814dc1e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/8396: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a77e888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 #4: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:911 [inline] #4: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840 2 locks held by syz.3.2318/8422: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.0.2355/8462: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:885 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 2 locks held by syz.2.2358/8466: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:885 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 4 locks held by syz-executor/8477: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888030e61888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8488: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888032d67488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8490: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805d6e1488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8511: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff8880331d2888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8522: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888022bf7c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8534: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807951f888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8536: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805e4fe088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8560: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888058e34488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8571: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888073220c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8582: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807cfaac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8584: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888028fde888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf0e/0x1260 kernel/hung_task.c:491 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: bat_events batadv_nc_worker RIP: 0010:check_preemption_disabled+0x2e/0xe0 lib/smp_processor_id.c:19 Code: 48 83 ec 08 65 8b 1d 75 9d 44 08 65 8b 05 6a 9d 44 08 a9 ff ff ff 7f 74 0f 48 83 c4 08 89 d8 5b 5d 41 5c e9 84 ed 02 00 9c 58 c4 02 74 ea 48 89 fd 65 48 8b 05 2a 9d 44 08 f6 40 2f 04 74 09 RSP: 0018:ffffc90000117a88 EFLAGS: 00000046 RAX: 0000000000000046 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8df42c4c RDI: ffffffff8c163800 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000400 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881247ba000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563ec343e828 CR3: 000000000e380000 CR4: 00000000003526f0 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:465 [inline] lock_acquire kernel/locking/lockdep.c:5867 [inline] lock_acquire+0x140/0x350 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x16a/0x1030 net/batman-adv/network-coding.c:719 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): INFO: task kworker/u8:5:1139 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:22344 pid:1139 tgid:1139 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_timeout+0x257/0x290 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2fc/0x4e0 kernel/sched/completion.c:121 __debugfs_file_removed fs/debugfs/inode.c:769 [inline] remove_one+0x312/0x420 fs/debugfs/inode.c:776 __simple_recursive_removal+0x158/0x610 fs/libfs.c:631 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:799 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227 nsim_dev_reload_destroy+0x144/0x4d0 drivers/net/netdevsim/dev.c:1710 nsim_dev_reload_down+0x6e/0xd0 drivers/net/netdevsim/dev.c:983 devlink_reload+0x1a1/0x7c0 net/devlink/dev.c:461 devlink_pernet_pre_exit+0x1a0/0x2b0 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:160 [inline] ops_undo_list+0x187/0xab0 net/core/net_namespace.c:233 cleanup_net+0x408/0x890 net/core/net_namespace.c:682 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 INFO: task syz-executor:8396 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24008 pid:8396 tgid:8396 ppid:1 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x81b/0x1060 kernel/locking/mutex.c:760 device_lock include/linux/device.h:911 [inline] device_del+0xa0/0x9f0 drivers/base/core.c:3840 device_unregister+0x1d/0xc0 drivers/base/core.c:3919 nsim_bus_dev_del drivers/net/netdevsim/bus.c:483 [inline] del_device_store+0x355/0x4a0 drivers/net/netdevsim/bus.c:244 bus_attr_store+0x71/0xb0 drivers/base/bus.c:172 sysfs_kf_write+0xef/0x150 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x3ac/0x570 fs/kernfs/file.c:352 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d3/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f45e338d97f RSP: 002b:00007ffcd2742d00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f45e338d97f RDX: 0000000000000001 RSI: 00007ffcd2742d50 RDI: 0000000000000005 RBP: 00007f45e3413239 R08: 0000000000000000 R09: 00007ffcd2742b57 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffcd2742d50 R14: 00007f45e4114620 R15: 0000000000000003 INFO: task syz.3.2318:8422 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.2318 state:D stack:27608 pid:8422 tgid:8422 ppid:6011 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 __mutex_lock_common kernel/locking/mutex.c:676 [inline] __mutex_lock+0x81b/0x1060 kernel/locking/mutex.c:760 devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162 full_proxy_write+0x12e/0x1a0 fs/debugfs/file.c:388 vfs_write+0x29d/0x11d0 fs/read_write.c:684 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0fa058eec9 RSP: 002b:00007ffea69868c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0fa07e5fa0 RCX: 00007f0fa058eec9 RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f0fa0611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0fa07e5fa0 R14: 00007f0fa07e5fa0 R15: 0000000000000003 INFO: task syz.0.2355:8462 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.2355 state:D stack:27608 pid:8462 tgid:8462 ppid:6005 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 rwsem_down_read_slowpath+0x64e/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:885 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdea918eec9 RSP: 002b:00007ffd64326518 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fdea93e5fa0 RCX: 00007fdea918eec9 RDX: 0000000000149081 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007fdea9211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdea93e5fa0 R14: 00007fdea93e5fa0 R15: 0000000000000004 INFO: task syz.2.2358:8466 blocked for more than 144 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.2358 state:D stack:27608 pid:8466 tgid:8466 ppid:6007 task_flags:0x400140 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5357 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6961 __schedule_loop kernel/sched/core.c:7043 [inline] schedule+0xe7/0x3a0 kernel/sched/core.c:7058 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7115 rwsem_down_read_slowpath+0x64e/0xbf0 kernel/locking/rwsem.c:1086 __down_read_common kernel/locking/rwsem.c:1261 [inline] __down_read kernel/locking/rwsem.c:1274 [inline] down_read+0xef/0x480 kernel/locking/rwsem.c:1539 inode_lock_shared include/linux/fs.h:885 [inline] open_last_lookups fs/namei.c:3806 [inline] path_openat+0x818/0x2cb0 fs/namei.c:4043 do_filp_open+0x20b/0x470 fs/namei.c:4073 do_sys_openat2+0x11b/0x1d0 fs/open.c:1435 do_sys_open fs/open.c:1450 [inline] __do_sys_openat fs/open.c:1466 [inline] __se_sys_openat fs/open.c:1461 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1461 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f138dd8eec9 RSP: 002b:00007ffdeaf6ac18 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f138dfe5fa0 RCX: 00007f138dd8eec9 RDX: 0000000000149081 RSI: 00002000000000c0 RDI: ffffffffffffff9c RBP: 00007f138de11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f138dfe5fa0 R14: 00007f138dfe5fa0 R15: 0000000000000004 Showing all locks held in the system: 1 lock held by khungtaskd/31: #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline] #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline] #0: ffffffff8e5c1420 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6775 6 locks held by kworker/u8:5/1139: #0: ffff88801c6fe948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3211 #1: ffffc90003cefd10 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3212 #2: ffffffff90372a90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xad/0x890 net/core/net_namespace.c:658 #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:911 [inline] #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12c/0x2b0 net/devlink/core.c:506 #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x136/0x2b0 net/devlink/core.c:506 #5: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:915 [inline] #5: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3/2){+.+.}-{4:4}, at: __simple_recursive_removal+0x354/0x610 fs/libfs.c:627 2 locks held by getty/5629: #0: ffff88814dc1e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc9000362c2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222 5 locks held by syz-executor/8396: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a77e888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 #4: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:911 [inline] #4: ffff88807a8f80e8 (&dev->mutex){....}-{4:4}, at: device_del+0xa0/0x9f0 drivers/base/core.c:3840 2 locks held by syz.3.2318/8422: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807a8f9250 (&devlink->lock_key#2){+.+.}-{4:4}, at: devlink_health_report+0x3ba/0x9c0 net/devlink/health.c:627 2 locks held by syz.0.2355/8462: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:885 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 2 locks held by syz.2.2358/8466: #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3796 [inline] #0: ffff88801fea2428 (sb_writers#8){.+.+}-{0:0}, at: path_openat+0x1ec8/0x2cb0 fs/namei.c:4043 #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:885 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3806 [inline] #1: ffff88805b76ef20 (&sb->s_type->i_mutex_key#3){++++}-{4:4}, at: path_openat+0x818/0x2cb0 fs/namei.c:4043 4 locks held by syz-executor/8477: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888030e61888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8488: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888032d67488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8490: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805d6e1488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8511: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff8880331d2888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8522: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888022bf7c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8534: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807951f888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8536: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88805e4fe088 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8560: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888058e34488 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8571: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888073220c88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8582: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff88807cfaac88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 4 locks held by syz-executor/8584: #0: ffff888034f70428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738 #1: ffff888028fde888 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x570 fs/kernfs/file.c:343 #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline] #2: ffff888028512d28 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2ff/0x570 fs/kernfs/file.c:344 #3: ffffffff8f8f78c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:234 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline] watchdog+0xf0e/0x1260 kernel/hung_task.c:491 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Workqueue: bat_events batadv_nc_worker RIP: 0010:check_preemption_disabled+0x2e/0xe0 lib/smp_processor_id.c:19 Code: 48 83 ec 08 65 8b 1d 75 9d 44 08 65 8b 05 6a 9d 44 08 a9 ff ff ff 7f 74 0f 48 83 c4 08 89 d8 5b 5d 41 5c e9 84 ed 02 00 9c 58 c4 02 74 ea 48 89 fd 65 48 8b 05 2a 9d 44 08 f6 40 2f 04 74 09 RSP: 0018:ffffc90000117a88 EFLAGS: 00000046 RAX: 0000000000000046 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8df42c4c RDI: ffffffff8c163800 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000400 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881247ba000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563ec343e828 CR3: 000000000e380000 CR4: 00000000003526f0 Call Trace: lockdep_recursion_inc kernel/locking/lockdep.c:465 [inline] lock_acquire kernel/locking/lockdep.c:5867 [inline] lock_acquire+0x140/0x350 kernel/locking/lockdep.c:5825 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x16a/0x1030 net/batman-adv/network-coding.c:719 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x56d/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245