Extracting prog: 19m47.418623694s
Minimizing prog: 2h38m23.226140289s
Simplifying prog options: 16m54.627354156s
Extracting C: 5m12.547127164s
Simplifying C: 0s


extracting reproducer from 26 programs
testing a last program of every proc
single: executing 6 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$auto-io_uring_setup$auto-close_range$auto-socketpair$auto-pipe$auto-socket-ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$auto_batadv-sendmsg$auto_BATADV_CMD_GET_TRANSTABLE_LOCAL-bpf$auto-unshare$auto-write$auto-mmap$auto-futex$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-unshare$auto-getpid-getpriority$auto_PRIO_PGRP-select$auto-write$auto_ocfs2_control_fops_stack_user-openat$auto_kernfs_file_fops_kernfs_internal-sendfile$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) (async, rerun: 32)
r0 = io_uring_setup$auto(0x3, 0x0) (rerun: 32)
close_range$auto(0x2, 0x8, 0x0) (async)
socketpair$auto(0x11e, 0x1, 0x8000000000000000, 0x0) (async)
pipe$auto(&(0x7f0000000040)=r0) (async)
r1 = socket(0x11, 0x3, 0xfffff958)
ioctl$sock_SIOCGIFINDEX(r1, 0x8954, 0x0)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
r3 = syz_genetlink_get_family_id$auto_batadv(&(0x7f0000000bc0), 0xffffffffffffffff)
sendmsg$auto_BATADV_CMD_GET_TRANSTABLE_LOCAL(r2, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000100)={0x1c, r3, 0x305, 0x70bd28, 0x25dfdbfb, {}, [@BATADV_ATTR_MESH_IFINDEX={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x40008}, 0x0)
r4 = bpf$auto(0x5, 0x0, 0x47)
unshare$auto(0x40000080) (async, rerun: 32)
write$auto(0xca, &(0x7f00000000c0)='\x04>\x01\x01\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x96\b\'\x02\xb0\x93l\xeb\x87\r\b\x87#\xf8e\x15\x9c\f\xb6,NS\xa2(Q\xcc', 0x7f) (async, rerun: 32)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000) (async)
futex$auto(0x0, 0x88, 0x7, 0x0, 0x0, 0x5) (async)
openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x140082, 0x0) (async)
writev$auto(r4, 0x0, 0x1)
unshare$auto(0x40000080) (async, rerun: 64)
r5 = getpid() (rerun: 64)
getpriority$auto_PRIO_PGRP(0x1, r5) (async)
select$auto(0x8, &(0x7f00000000c0)={[0xeeda, 0x200, 0x100000001, 0x9, 0x6, 0x8, 0x6, 0x3, 0x4, 0x4618ecd2, 0x4, 0x2000000008, 0x8, 0x9a8c, 0x9, 0x10001]}, 0x0, 0x0, 0x0)
write$auto_ocfs2_control_fops_stack_user(0xffffffffffffffff, &(0x7f0000003900)='\t', 0x1)
r6 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000140)='/sys/module/workqueue/parameters/default_affinity_scope\x00', 0x1a9242, 0x0)
sendfile$auto(r6, r6, 0x0, 0x5)

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}}): syz_genetlink_get_family_id$auto_smc_pnetid-mmap$auto-prctl$auto-prctl$auto-openat$auto_def_blk_fops_fs-open-fallocate$auto-openat$auto_proc_sys_file_operations_proc_sysctl-ioctl$auto_SNDCTL_SEQ_SYNC-mmap$auto-socket-openat$auto_fops_u8_-connect$auto-socket$nl_generic-syz_genetlink_get_family_id$auto_nl802154-fsconfig$auto_XFS_DAX_NEVER-openat$auto_def_blk_fops_fs-sendfile$auto-openat$auto_kmsg_fops_printk-madvise$auto-syz_genetlink_get_family_id$auto_nl80211-syz_genetlink_get_family_id$auto_tipcv2-unshare$auto-mmap$auto-socket$nl_generic-syz_genetlink_get_family_id$auto_ioam6-sendmsg$auto_IOAM6_CMD_ADD_SCHEMA-madvise$auto-close_range$auto
detailed listing:
executing program 0:
syz_genetlink_get_family_id$auto_smc_pnetid(0x0, 0xffffffffffffffff)
mmap$auto(0x0, 0x400008, 0x5f, 0x9b72, 0x2, 0x8000)
prctl$auto(0x1000000003b, 0x1, 0x4, 0x5, 0x7)
prctl$auto(0x3e, 0x1, 0x0, 0x1, 0x0)
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f00000003c0)='/dev/ram5\x00', 0x6aa02, 0x0)
r0 = open(0x0, 0x56042, 0xe1d2b27bdc14aabc)
fallocate$auto(r0, 0x0, 0x7, 0x4cbd5d)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv6/conf/all/disable_ipv6\x00', 0x1401, 0x0)
ioctl$auto_SNDCTL_SEQ_SYNC(0xffffffffffffffff, 0x5101, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x47, 0x8000)
r1 = socket(0x2a, 0x2, 0x1)
openat$auto_fops_u8_(0xffffffffffffff9c, &(0x7f0000000140)='/sys/kernel/debug/nfcsim/nfc1/dropframe\x00', 0x400, 0x0)
connect$auto(r1, &(0x7f00000000c0)=@qipcrtr={0x2a, 0x3, 0xfffffffe}, 0x52)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nl802154(0x0, r2)
fsconfig$auto_XFS_DAX_NEVER(0xffffffffffffffff, 0x6, &(0x7f0000000340)='/dev/snd/midiC2D0\x00', 0x0, 0x2)
r3 = openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ram5\x00', 0x14fa02, 0x0)
sendfile$auto(0x3, r3, 0x0, 0x400000000006)
openat$auto_kmsg_fops_printk(0xffffffffffffff9c, &(0x7f0000000100), 0x4200, 0x0)
madvise$auto(0x0, 0x2003f2, 0x15)
syz_genetlink_get_family_id$auto_nl80211(0x0, 0xffffffffffffffff)
syz_genetlink_get_family_id$auto_tipcv2(0x0, 0xffffffffffffffff)
unshare$auto(0x40000080)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_ioam6(&(0x7f0000000000), r4)
sendmsg$auto_IOAM6_CMD_ADD_SCHEMA(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)=ANY=[@ANYBLOB="240000d1", @ANYRES16=r5, @ANYBLOB="010029bd7000fbdbdf250400000959000400640900000800040007000000"], 0x24}, 0x1, 0x3000700, 0x0, 0x490}, 0x8048010)
madvise$auto(0x1, 0x7f, 0x200)
close_range$auto(0x0, 0x5, 0x0)

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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-close_range$auto-socket-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
close_range$auto(0x2, 0x8, 0x0)
r7 = socket(0xf, 0x2, 0xffffffff)
ioctl$sock_SIOCGIFINDEX(r7, 0x8933, 0x0)

program crashed: INFO: task hung in remove_one
single: successfully extracted reproducer
found reproducer with 29 syscalls
minimizing guilty program
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-close_range$auto-socket
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
close_range$auto(0x2, 0x8, 0x0)
socket(0xf, 0x2, 0xffffffff)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto-close_range$auto
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)
close_range$auto(0x2, 0x8, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic-openat$auto_kvm_chardev_ops_kvm_main-mmap$auto
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0)
mmap$auto(0x0, 0xe983, 0xdf, 0xeb1, 0x401, 0x8000)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic-openat$auto_kvm_chardev_ops_kvm_main
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_kvm_chardev_ops_kvm_main(0xffffffffffffff9c, &(0x7f0000000000), 0x101000, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto-socket$nl_generic
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)
socket$nl_generic(0x10, 0x3, 0x10)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket-sendmmsg$auto
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
r6 = socket(0x10, 0x2, 0x0)
sendmmsg$auto(r6, &(0x7f0000000200)={{0x0, 0x1f00, &(0x7f0000000100)={0x0, 0xfdef}, 0x2, 0x0, 0x7, 0xa505}, 0x700}, 0x7, 0x4008)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG-socket
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)
socket(0x10, 0x2, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL-sendmsg$auto_NL80211_CMD_GET_REG
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)
sendmsg$auto_NL80211_CMD_GET_REG(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=ANY=[], 0x1ac}}, 0x40000)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto-sendmsg$auto_OVS_VPORT_CMD_DEL
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)
sendmsg$auto_OVS_VPORT_CMD_DEL(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)=ANY=[@ANYBLOB='<\x00\x00\x00', @ANYBLOB="11002d"], 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x8000)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl-statmount$auto
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)
statmount$auto(0x0, &(0x7f0000000180)={0x8, 0x3ff, 0x9, 0x5, 0x14, 0x944, 0x1ffe4, 0x3, 0x6, 0x4, 0x9, 0x400005, 0x4000fff, 0x8000007, 0x8001, 0xd, 0x5, 0x3, 0x4, 0x7, 0x20, 0x309, 0x8, 0x0, 0x7fffffff, 0x0, 0x0, 0x0, 0x78, 0x0, 0x0, [0x3, 0x0, 0x0, 0x200, 0x9, 0x0, 0x0, 0x4, 0xffffffffffffffff, 0x0, 0x0, 0x4000000000000, 0x2000000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x800000000002, 0x9, 0x0, 0xbec, 0x0, 0x0, 0xe, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x10, 0xfffffffffffffffe, 0xffffffffffffd059, 0x0, 0x0, 0x0, 0x2961, 0x0, 0x2]}, 0x2001fb, 0x7f)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-sendmsg$auto_NBD_CMD_CONNECT
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
r4 = socket$nl_generic(0x10, 0x3, 0x10)
r5 = syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
sendmsg$auto_NBD_CMD_CONNECT(r4, &(0x7f0000001e00)={0x0, 0x0, &(0x7f0000001dc0)={&(0x7f0000000200)={0x34, r5, 0x1, 0x703d25, 0x25dfdbfd, {}, [@NBD_ATTR_SOCKETS={0x14, 0x7, 0x0, 0x1, [@nested={0xc, 0x1, 0x0, 0x1, [@nested={0x8, 0x1, 0x0, 0x1, [@generic='\x00\x00\x00\x00']}]}, @nested={0x4, 0x89}]}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x6}]}, 0x34}, 0x1, 0x0, 0x0, 0x804}, 0x8880)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-syz_genetlink_get_family_id$auto_nbd-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nbd(&(0x7f0000001d00), 0xffffffffffffffff)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-socket$nl_generic-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in del_device_store
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-ioctl$auto_TUNGETVNETBE2-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
r3 = socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
ioctl$auto_TUNGETVNETBE2(r3, 0x800454df, 0x0)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-socketpair$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
socketpair$auto(0x1, 0x1, 0x8000000000000000, 0x0)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-close_range$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-mmap$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
mmap$auto(0x0, 0x2020009, 0x3, 0xeb1, 0xfffffffffffffffa, 0x8000)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r2 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r2, &(0x7f0000003900)='\t', 0x1)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto_ocfs2_control_fops_stack_user-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto_ocfs2_control_fops_stack_user(r1, &(0x7f0000003900)='\t', 0x1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program did not crash
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-openat$auto_kernfs_file_fops_kernfs_internal-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000480)='/sys/devices/virtual/net/bond0/bonding/arp_ip_target\x00', 0xa0002, 0x0)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
r1 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r1, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-write$auto_seq_oss_f_ops_seq_oss-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
write$auto_seq_oss_f_ops_seq_oss(r0, &(0x7f0000000040)="f6e6812018deadf7e88f819e30236ce79200e01532f2ed0d", 0x18)
write$auto(0xffffffffffffffff, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program did not crash
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_seq_oss_f_ops_seq_oss-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
openat$auto_seq_oss_f_ops_seq_oss(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x2, 0x0)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-bind$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
bind$auto(0x3, &(0x7f0000000000)=@generic={0x10, "a500acb75c9cedd1b5e9a0d76293"}, 0x68)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-socket$nl_generic-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_tty_fops_tty_io-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
openat$auto_tty_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000080)='/dev/pts/ptmx\x00', 0x0, 0x0)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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}}): close_range$auto-openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
close_range$auto(0x2, 0x8, 0x0)
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program crashed: INFO: task hung in remove_one
testing program (duration=7m43.052259544s, {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$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, 0x0, 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

program did not crash
testing program (duration=7m43.052259544s, {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$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, 0x0, 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/kernel/perf_event_max_contexts_per_stack\x00', 0x202, 0x0)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=7m43.052259544s, {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$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program crashed: INFO: task hung in remove_one
extracting C reproducer
testing compiled C program (duration=7m43.052259544s, {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$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
program did not crash
simplifying guilty program options
testing program (duration=7m43.052259544s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program crashed: INFO: task hung in remove_one
extracting C reproducer
testing compiled C program (duration=7m43.052259544s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=7m43.052259544s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program did not crash
testing program (duration=7m43.052259544s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=7m43.052259544s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
testing program (duration=7m43.052259544s, {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}}): openat$auto_nsim_dev_health_break_fops_health-write$auto-openat$auto_proc_sys_file_operations_proc_sysctl
detailed listing:
executing program 0:
r0 = openat$auto_nsim_dev_health_break_fops_health(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/netdevsim/netdevsim2/health/break_health\x00', 0x48081, 0x0)
write$auto(r0, &(0x7f0000000080)=')@-!\x00', 0x1e1)
openat$auto_proc_sys_file_operations_proc_sysctl(0xffffffffffffff9c, 0x0, 0x202, 0x0)

program crashed: INFO: task hung in remove_one
validation run: crashed=true
reproducing took 3h29m21.149829558s
repro crashed as (corrupted=false):
INFO: task kworker/u8:8:1168 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:8    state:D stack:25544 pid:1168  tgid:1168  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121
 __debugfs_file_removed fs/debugfs/inode.c:751 [inline]
 remove_one+0x312/0x420 fs/debugfs/inode.c:758
 __simple_recursive_removal+0x148/0x5c0 fs/libfs.c:623
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:781
 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227
 nsim_dev_reload_destroy+0x144/0x4a0 drivers/net/netdevsim/dev.c:1788
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1ae/0x7a0 net/devlink/dev.c:462
 devlink_pernet_pre_exit+0x247/0x370 net/devlink/core.c:560
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x499/0x920 net/core/net_namespace.c:702
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz-executor:8342 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:24712 pid:8342  tgid:8342  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 device_lock include/linux/device.h:1102 [inline]
 device_del+0xa0/0x9b0 drivers/base/core.c:3923
 device_unregister+0x1d/0xe0 drivers/base/core.c:4002
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x346/0x480 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8fc3f5d68e
RSP: 002b:00007ffea12e4958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055557caea500 RCX: 00007f8fc3f5d68e
RDX: 0000000000000001 RSI: 00007ffea12e49e0 RDI: 0000000000000005
RBP: 00007f8fc40336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffea12e49e0 R14: 00007f8fc4d44620 R15: 0000000000000003
 </TASK>
INFO: task syz.1.2414:8358 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2414      state:D stack:28728 pid:8358  tgid:8358  ppid:5789   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 devlink_health_report+0x656/0xb00 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x135/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2aa/0x1050 fs/read_write.c:685
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f2839ce59
RSP: 002b:00007ffdb7761288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1f28615fa0 RCX: 00007f1f2839ce59
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f1f28432e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1f28615fac R14: 00007f1f28615fa0 R15: 00007f1f28615fa0
 </TASK>
INFO: task syz.3.2438:8386 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2438      state:D stack:28080 pid:8386  tgid:8386  ppid:5799   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 rwsem_down_read_slowpath+0x5af/0xb40 kernel/locking/rwsem.c:1114
 __down_read_common kernel/locking/rwsem.c:1291 [inline]
 __down_read kernel/locking/rwsem.c:1304 [inline]
 down_read+0xed/0x4c0 kernel/locking/rwsem.c:1576
 inode_lock_shared include/linux/fs.h:1044 [inline]
 open_last_lookups fs/namei.c:4607 [inline]
 path_openat+0xb3c/0x4280 fs/namei.c:4856
 do_file_open+0x20e/0x430 fs/namei.c:4888
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1395
 do_sys_open fs/open.c:1401 [inline]
 __do_sys_openat fs/open.c:1417 [inline]
 __se_sys_openat fs/open.c:1412 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8200d9ce59
RSP: 002b:00007ffc111c6b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8201015fa0 RCX: 00007f8200d9ce59
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f8200e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8201015fac R14: 00007f8201015fa0 R15: 00007f8201015fa0
 </TASK>
INFO: task syz.0.2439:8387 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2439      state:D stack:28096 pid:8387  tgid:8387  ppid:5784   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 rwsem_down_read_slowpath+0x5af/0xb40 kernel/locking/rwsem.c:1114
 __down_read_common kernel/locking/rwsem.c:1291 [inline]
 __down_read kernel/locking/rwsem.c:1304 [inline]
 down_read+0xed/0x4c0 kernel/locking/rwsem.c:1576
 inode_lock_shared include/linux/fs.h:1044 [inline]
 open_last_lookups fs/namei.c:4607 [inline]
 path_openat+0xb3c/0x4280 fs/namei.c:4856
 do_file_open+0x20e/0x430 fs/namei.c:4888
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1395
 do_sys_open fs/open.c:1401 [inline]
 __do_sys_openat fs/open.c:1417 [inline]
 __se_sys_openat fs/open.c:1412 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa9e6d9ce59
RSP: 002b:00007ffc2699a618 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa9e7015fa0 RCX: 00007fa9e6d9ce59
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007fa9e6e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa9e7015fac R14: 00007fa9e7015fa0 R15: 00007fa9e7015fa0
 </TASK>
INFO: task syz-executor:8403 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:25240 pid:8403  tgid:8403  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ca875d68e
RSP: 002b:00007ffcba4e5728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555591fcd500 RCX: 00007f0ca875d68e
RDX: 0000000000000001 RSI: 00007ffcba4e57b0 RDI: 0000000000000005
RBP: 00007f0ca88336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcba4e57b0 R14: 00007f0ca9544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8407 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24416 pid:8407  tgid:8407  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ee6d5d68e
RSP: 002b:00007fffb38a11e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555592a20500 RCX: 00007f0ee6d5d68e
RDX: 0000000000000001 RSI: 00007fffb38a1270 RDI: 0000000000000005
RBP: 00007f0ee6e336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffb38a1270 R14: 00007f0ee7b44620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8408 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24712 pid:8408  tgid:8408  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ff415d68e
RSP: 002b:00007ffebe114278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555563560500 RCX: 00007f3ff415d68e
RDX: 0000000000000001 RSI: 00007ffebe114300 RDI: 0000000000000005
RBP: 00007f3ff42336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffebe114300 R14: 00007f3ff4f44620 R15: 0000000000000003
 </TASK>
INFO: lockdep is turned off.
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 05/09/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xcb1/0x1030 kernel/hung_task.c:561
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 46 8d 02 e9 c3 48 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 b5 1a 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197e00 EFLAGS: 00000246
RAX: 000000000007cf3c RBX: ffff88801e690000 RCX: ffffffff8b90e2b5
RDX: 0000000000000001 RSI: ffffffff8c1cf300 RDI: ffffffff81dda1e7
RBP: ffffed1003cd2000 R08: 0000000000000000 R09: ffffed10170a678d
R10: ffff8880b8533c6b R11: ffffffff81d4786c R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000032fc4 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812443b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a6bd2a2660 CR3: 000000000e592000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3a7/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>

final repro crashed as (corrupted=false):
INFO: task kworker/u8:8:1168 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:8    state:D stack:25544 pid:1168  tgid:1168  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121
 __debugfs_file_removed fs/debugfs/inode.c:751 [inline]
 remove_one+0x312/0x420 fs/debugfs/inode.c:758
 __simple_recursive_removal+0x148/0x5c0 fs/libfs.c:623
 debugfs_remove+0x5d/0x80 fs/debugfs/inode.c:781
 nsim_dev_health_exit+0x3b/0xe0 drivers/net/netdevsim/health.c:227
 nsim_dev_reload_destroy+0x144/0x4a0 drivers/net/netdevsim/dev.c:1788
 nsim_dev_reload_down+0x66/0xd0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1ae/0x7a0 net/devlink/dev.c:462
 devlink_pernet_pre_exit+0x247/0x370 net/devlink/core.c:560
 ops_pre_exit_list net/core/net_namespace.c:161 [inline]
 ops_undo_list+0x187/0xab0 net/core/net_namespace.c:234
 cleanup_net+0x499/0x920 net/core/net_namespace.c:702
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
INFO: task syz-executor:8342 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:24712 pid:8342  tgid:8342  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 device_lock include/linux/device.h:1102 [inline]
 device_del+0xa0/0x9b0 drivers/base/core.c:3923
 device_unregister+0x1d/0xe0 drivers/base/core.c:4002
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:491 [inline]
 del_device_store+0x346/0x480 drivers/net/netdevsim/bus.c:244
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8fc3f5d68e
RSP: 002b:00007ffea12e4958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000055557caea500 RCX: 00007f8fc3f5d68e
RDX: 0000000000000001 RSI: 00007ffea12e49e0 RDI: 0000000000000005
RBP: 00007f8fc40336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffea12e49e0 R14: 00007f8fc4d44620 R15: 0000000000000003
 </TASK>
INFO: task syz.1.2414:8358 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.2414      state:D stack:28728 pid:8358  tgid:8358  ppid:5789   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 devlink_health_report+0x656/0xb00 net/devlink/health.c:680
 nsim_dev_health_break_write+0x166/0x210 drivers/net/netdevsim/health.c:162
 full_proxy_write+0x135/0x1a0 fs/debugfs/file.c:388
 vfs_write+0x2aa/0x1050 fs/read_write.c:685
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f2839ce59
RSP: 002b:00007ffdb7761288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1f28615fa0 RCX: 00007f1f2839ce59
RDX: 00000000000001e1 RSI: 0000200000000080 RDI: 0000000000000003
RBP: 00007f1f28432e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1f28615fac R14: 00007f1f28615fa0 R15: 00007f1f28615fa0
 </TASK>
INFO: task syz.3.2438:8386 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.2438      state:D stack:28080 pid:8386  tgid:8386  ppid:5799   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 rwsem_down_read_slowpath+0x5af/0xb40 kernel/locking/rwsem.c:1114
 __down_read_common kernel/locking/rwsem.c:1291 [inline]
 __down_read kernel/locking/rwsem.c:1304 [inline]
 down_read+0xed/0x4c0 kernel/locking/rwsem.c:1576
 inode_lock_shared include/linux/fs.h:1044 [inline]
 open_last_lookups fs/namei.c:4607 [inline]
 path_openat+0xb3c/0x4280 fs/namei.c:4856
 do_file_open+0x20e/0x430 fs/namei.c:4888
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1395
 do_sys_open fs/open.c:1401 [inline]
 __do_sys_openat fs/open.c:1417 [inline]
 __se_sys_openat fs/open.c:1412 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8200d9ce59
RSP: 002b:00007ffc111c6b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8201015fa0 RCX: 00007f8200d9ce59
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007f8200e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8201015fac R14: 00007f8201015fa0 R15: 00007f8201015fa0
 </TASK>
INFO: task syz.0.2439:8387 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2439      state:D stack:28096 pid:8387  tgid:8387  ppid:5784   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 rwsem_down_read_slowpath+0x5af/0xb40 kernel/locking/rwsem.c:1114
 __down_read_common kernel/locking/rwsem.c:1291 [inline]
 __down_read kernel/locking/rwsem.c:1304 [inline]
 down_read+0xed/0x4c0 kernel/locking/rwsem.c:1576
 inode_lock_shared include/linux/fs.h:1044 [inline]
 open_last_lookups fs/namei.c:4607 [inline]
 path_openat+0xb3c/0x4280 fs/namei.c:4856
 do_file_open+0x20e/0x430 fs/namei.c:4888
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1395
 do_sys_open fs/open.c:1401 [inline]
 __do_sys_openat fs/open.c:1417 [inline]
 __se_sys_openat fs/open.c:1412 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1412
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa9e6d9ce59
RSP: 002b:00007ffc2699a618 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fa9e7015fa0 RCX: 00007fa9e6d9ce59
RDX: 0000000000048081 RSI: 0000200000000000 RDI: ffffffffffffff9c
RBP: 00007fa9e6e32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa9e7015fac R14: 00007fa9e7015fa0 R15: 00007fa9e7015fa0
 </TASK>
INFO: task syz-executor:8403 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:25240 pid:8403  tgid:8403  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ca875d68e
RSP: 002b:00007ffcba4e5728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555591fcd500 RCX: 00007f0ca875d68e
RDX: 0000000000000001 RSI: 00007ffcba4e57b0 RDI: 0000000000000005
RBP: 00007f0ca88336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffcba4e57b0 R14: 00007f0ca9544620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8407 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24416 pid:8407  tgid:8407  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ee6d5d68e
RSP: 002b:00007fffb38a11e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555592a20500 RCX: 00007f0ee6d5d68e
RDX: 0000000000000001 RSI: 00007fffb38a1270 RDI: 0000000000000005
RBP: 00007f0ee6e336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffb38a1270 R14: 00007f0ee7b44620 R15: 0000000000000003
 </TASK>
INFO: task syz-executor:8408 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:24712 pid:8408  tgid:8408  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x125c/0x6730 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0xdd/0x390 kernel/sched/core.c:7322
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7379
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0xccc/0x1bd0 kernel/locking/mutex.c:821
 del_device_store+0xd1/0x480 drivers/net/netdevsim/bus.c:234
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3ff415d68e
RSP: 002b:00007ffebe114278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000555563560500 RCX: 00007f3ff415d68e
RDX: 0000000000000001 RSI: 00007ffebe114300 RDI: 0000000000000005
RBP: 00007f3ff42336f2 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffebe114300 R14: 00007f3ff4f44620 R15: 0000000000000003
 </TASK>
INFO: lockdep is turned off.
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 05/09/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 nmi_cpu_backtrace.cold+0x12d/0x151 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x1d7/0x230 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x141/0x190 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xcb1/0x1030 kernel/hung_task.c:561
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:64
Code: 46 8d 02 e9 c3 48 03 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d e3 b5 1a 00 fb f4 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
RSP: 0018:ffffc90000197e00 EFLAGS: 00000246
RAX: 000000000007cf3c RBX: ffff88801e690000 RCX: ffffffff8b90e2b5
RDX: 0000000000000001 RSI: ffffffff8c1cf300 RDI: ffffffff81dda1e7
RBP: ffffed1003cd2000 R08: 0000000000000000 R09: ffffed10170a678d
R10: ffff8880b8533c6b R11: ffffffff81d4786c R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff92000032fc4 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88812443b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a6bd2a2660 CR3: 000000000e592000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 arch_safe_halt arch/x86/include/asm/paravirt.h:62 [inline]
 default_idle+0x9/0x10 arch/x86/kernel/process.c:767
 default_idle_call+0x6c/0xb0 kernel/sched/idle.c:122
 cpuidle_idle_call kernel/sched/idle.c:199 [inline]
 do_idle+0x3a7/0x5b0 kernel/sched/idle.c:355
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:454
 start_secondary+0x21d/0x2d0 arch/x86/kernel/smpboot.c:312
 common_startup_64+0x13e/0x158
 </TASK>