Extracting prog: 5m31.848854387s Minimizing prog: 17m35.869042939s Simplifying prog options: 8m2.912679485s Extracting C: 2m51.289120399s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program crashed: INFO: task hung in del_device_store program crashed: BUG: workqueue lockup in nsim_fib_event_work single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix detailed listing: executing program 0: socket$unix(0x1, 0x5, 0x0) program did not crash testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: ioctl$sock_SIOCETHTOOL(0xffffffffffffffff, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program did not crash testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, 0x0) program did not crash testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', 0x0}) program did not crash testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs}) program did not crash extracting C reproducer testing compiled C program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL program crashed: INFO: task hung in rtnl_lock a never seen crash title: INFO: task hung in rtnl_lock, ignore simplifying guilty program options testing program (duration=3m28.653399286s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program crashed: INFO: task hung in del_device_store a never seen crash title: INFO: task hung in del_device_store, ignore testing program (duration=3m28.653399286s, {Threaded:true 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program did not crash testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program crashed: unregister_netdevice: waiting for DEV to become free validation run: crashed=true testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program crashed: BUG: workqueue lockup in mld_ifc_work validation run: crashed=true testing program (duration=3m28.653399286s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): socket$unix-ioctl$sock_SIOCETHTOOL detailed listing: executing program 0: r0 = socket$unix(0x1, 0x5, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x89f0, &(0x7f0000000400)={'bridge0\x00', &(0x7f0000000000)=@ethtool_regs={0x4, 0x0, 0x1d, "dea1d8981aa3a9c188aaf2269615123ca0a2894d756ec481f02e868817"}}) program crashed: INFO: task hung in del_device_store validation run: crashed=true reproducing took 42m14.462430559s repro crashed as (corrupted=false): INFO: task syz-executor:4865 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:0 pid:4865 tgid:4865 ppid:1 task_flags:0x400140 flags:0x00800001 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4869 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:0 pid:4869 tgid:4869 ppid:1 task_flags:0x400140 flags:0x00800011 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 device_lock include/linux/device.h:1109 [inline] device_del+0xa4/0x71c drivers/base/core.c:3929 device_unregister+0x2c/0xf0 drivers/base/core.c:4008 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:243 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4879 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:0 pid:4879 tgid:4879 ppid:4872 task_flags:0x400140 flags:0x00800000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4886 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:0 pid:4886 tgid:4886 ppid:4877 task_flags:0x400140 flags:0x00800000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Showing all locks held in the system: locks held by init/1: 1, on CPU#0: #0: ffff0000d1ac2478 (sb_writers#3){.+.+}-{0:0}, at: pick_link+0x924/0xcf0 fs/namei.c:2055 locks held by kworker/0:0/9: 2, last CPU#0: #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa17c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa17c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/0:1/10: 4, last CPU#0: #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa27c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa27c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000db091258 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x198/0x320 drivers/net/netdevsim/fib.c:1490 #3: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #3: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/u8:1/13: 7, last CPU#1: #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa57c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa57c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008abc2208 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:679 #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline] #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline] #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x104/0x390 net/devlink/core.c:581 #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:314 [inline] #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline] #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x118/0x390 net/devlink/core.c:581 #5: ffff0000ef4c1e20 (&sb->s_type->i_mutex_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1071 [inline] #5: ffff0000ef4c1e20 (&sb->s_type->i_mutex_key#3/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 fs/namei.c:2924 #6: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #6: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by khungtaskd/31: 1, last CPU#1: #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871 locks held by kworker/u8:3/51: 6, last CPU#1: #0: ffff0000c3dad148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c3dad148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800092057c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800092057c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008abcf5a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 #3: ffff0000cdafd530 (&idev->mc_lock){+.+.}-{4:4}, at: ipv6_mc_dad_complete+0x34/0x170 net/ipv6/mcast.c:2313 #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1ac/0xd34 net/ipv6/mcast.c:1862 #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x114/0x528 net/ipv6/ip6_output.c:236 locks held by kworker/u8:4/140: 4, on CPU#1: #0: ffff0000c1fef948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c1fef948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800092187c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800092187c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d1ac2100 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:642 #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline] #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1892 [inline] #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3170 locks held by kworker/u8:5/341: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800093c37c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800093c37c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000f08f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000f08f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by kworker/1:2/1013: 2, last CPU#1: #0: ffff0000e0473948 ((wq_completion)wg-crypt-wg0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000e0473948 ((wq_completion)wg-crypt-wg0#2){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000947b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000947b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:6/1197: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095477c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095477c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d0023258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320 locks held by kworker/u8:7/1794: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800097557c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800097557c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000ed660800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000ed660800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by udevd/4345: 3, last CPU#1: #0: ffff0000d3095700 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000d3095700 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716 #1: ffff0000d3094c80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline] #1: ffff0000d3094c80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723 #2: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #2: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/0:3/4399: 4, last CPU#0: #0: ffff0000c3d72948 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c3d72948 ((wq_completion)mld){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000993f7c20 ((work_completion)(&(&idev->mc_dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000993f7c20 ((work_completion)(&(&idev->mc_dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d36f0530 (&idev->mc_lock){+.+.}-{4:4}, at: mld_dad_work+0x38/0x1d8 net/ipv6/mcast.c:2330 #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1ac/0xd34 net/ipv6/mcast.c:1862 locks held by dhcpcd/4401: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by dhcpcd/4402: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by getty/4493: 2, on CPU#1: #0: ffff0000d1c020a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000932db2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x350/0xffc drivers/tty/n_tty.c:2211 locks held by syz-execprog/4717: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by syz-executor/4725: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/0:4/4815: 4, on CPU#0: #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096bc7c20 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096bc7c20 (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: reg_todo+0x8c/0x848 net/wireless/reg.c:3273 #3: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #3: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0xb4/0x17c net/wireless/reg.c:3263 locks held by syz-executor/4865: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000d1514880 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by syz-executor/4869: 5, on CPU#1: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000edf31080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 #4: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline] #4: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3929 locks held by syz-executor/4879: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000eeb94c80 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by syz-executor/4886: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000ef8f9080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by kworker/u8:9/4986: 3, last CPU#1: #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1530 locks held by kworker/u8:10/4987: 2, last CPU#1: #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971e7c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971e7c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/1:5/4989: 2, last CPU#1: #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:11/4991: 3, on CPU#1: #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096437c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096437c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: crda_timeout_work+0x30/0xa4 net/wireless/reg.c:530 locks held by kworker/u8:12/4993: 2, last CPU#1: #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095747c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095747c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:13/4994: 4, last CPU#0: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096447c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096447c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6896 locks held by kworker/u8:14/4995: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800097197c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800097197c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000eed80800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000eed80800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by syz-executor/4996: 4, last CPU#1: #0: ffff0000d1ac2478 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:531 #1: ffff0000daa90c90 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1071 [inline] #1: ffff0000daa90c90 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 fs/namei.c:2924 #2: ffff0000d1ac0950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 #3: ffff0000dfe3c188 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x618/0xff8 fs/ext4/inode.c:926 locks held by kworker/u8:17/4999: 2, last CPU#1: #0: ffff0000cebc7948 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000cebc7948 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095727c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095727c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by syz-executor/5001: 2, last CPU#1: #0: ffff0000caaf1800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000caaf1800 (&mm->mmap_lock){++++}-{4:4}, at: arch_setup_additional_pages+0x50/0x230 arch/arm64/kernel/vdso.c:337 #1: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #1: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 ============================================= final repro crashed as (corrupted=false): INFO: task syz-executor:4865 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:0 pid:4865 tgid:4865 ppid:1 task_flags:0x400140 flags:0x00800001 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4869 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:0 pid:4869 tgid:4869 ppid:1 task_flags:0x400140 flags:0x00800011 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 device_lock include/linux/device.h:1109 [inline] device_del+0xa4/0x71c drivers/base/core.c:3929 device_unregister+0x2c/0xf0 drivers/base/core.c:4008 nsim_bus_dev_del+0x60/0x8c drivers/net/netdevsim/bus.c:488 del_device_store+0x24c/0x2d4 drivers/net/netdevsim/bus.c:243 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4879 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:0 pid:4879 tgid:4879 ppid:4872 task_flags:0x400140 flags:0x00800000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 INFO: task syz-executor:4886 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:0 pid:4886 tgid:4886 ppid:4877 task_flags:0x400140 flags:0x00800000 Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:792 (T) context_switch kernel/sched/core.c:5583 [inline] __schedule+0x1368/0x2b50 kernel/sched/core.c:7382 __schedule_loop kernel/sched/core.c:7459 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7474 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7531 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d8/0x10b8 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 bus_attr_store+0x80/0xa4 drivers/base/bus.c:172 sysfs_kf_write+0xe0/0x108 fs/sysfs/file.c:145 kernfs_fop_write_iter+0x260/0x3b8 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x51c/0xa0c fs/read_write.c:687 ksys_write+0x12c/0x228 fs/read_write.c:739 __do_sys_write fs/read_write.c:750 [inline] __se_sys_write fs/read_write.c:747 [inline] __arm64_sys_write+0x84/0x98 fs/read_write.c:747 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:797 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:816 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606 Showing all locks held in the system: locks held by init/1: 1, on CPU#0: #0: ffff0000d1ac2478 (sb_writers#3){.+.+}-{0:0}, at: pick_link+0x924/0xcf0 fs/namei.c:2055 locks held by kworker/0:0/9: 2, last CPU#0: #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa17c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa17c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/0:1/10: 4, last CPU#0: #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa27c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa27c20 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000db091258 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x198/0x320 drivers/net/netdevsim/fib.c:1490 #3: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #3: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/u8:1/13: 7, last CPU#1: #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004e148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff80008fa57c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff80008fa57c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008abc2208 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:679 #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline] #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:124 [inline] #3: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x104/0x390 net/devlink/core.c:581 #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:314 [inline] #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:125 [inline] #4: ffff0000d7ed5258 (&devlink->lock_key){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x118/0x390 net/devlink/core.c:581 #5: ffff0000ef4c1e20 (&sb->s_type->i_mutex_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1071 [inline] #5: ffff0000ef4c1e20 (&sb->s_type->i_mutex_key#3/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 fs/namei.c:2924 #6: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #6: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by khungtaskd/31: 1, last CPU#1: #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871 locks held by kworker/u8:3/51: 6, last CPU#1: #0: ffff0000c3dad148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c3dad148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800092057c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800092057c20 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008abcf5a0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 #3: ffff0000cdafd530 (&idev->mc_lock){+.+.}-{4:4}, at: ipv6_mc_dad_complete+0x34/0x170 net/ipv6/mcast.c:2313 #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1ac/0xd34 net/ipv6/mcast.c:1862 #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #5: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x114/0x528 net/ipv6/ip6_output.c:236 locks held by kworker/u8:4/140: 4, on CPU#1: #0: ffff0000c1fef948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c1fef948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800092187c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800092187c20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d1ac2100 (&type->s_umount_key#32){++++}-{4:4}, at: super_trylock_shared+0x24/0xdc fs/super.c:642 #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: percpu_down_read include/linux/percpu-rwsem.h:77 [inline] #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages_down_read fs/ext4/ext4.h:1892 [inline] #3: ffff0000d1afccd8 (&sbi->s_writepages_rwsem){++++}-{0:0}, at: ext4_writepages+0x170/0x2dc fs/ext4/inode.c:3170 locks held by kworker/u8:5/341: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800093c37c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800093c37c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000f08f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000f08f0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by kworker/1:2/1013: 2, last CPU#1: #0: ffff0000e0473948 ((wq_completion)wg-crypt-wg0#2){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000e0473948 ((wq_completion)wg-crypt-wg0#2){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000947b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000947b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:6/1197: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095477c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095477c20 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d0023258 (&devlink->lock_key#2){+.+.}-{4:4}, at: devl_trylock+0x24/0x34 net/devlink/core.c:320 locks held by kworker/u8:7/1794: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800097557c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800097557c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000ed660800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000ed660800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by udevd/4345: 3, last CPU#1: #0: ffff0000d3095700 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000d3095700 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x1a04 mm/mmap.c:1716 #1: ffff0000d3094c80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:540 [inline] #1: ffff0000d3094c80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x208/0x1a04 mm/mmap.c:1723 #2: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #2: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/0:3/4399: 4, last CPU#0: #0: ffff0000c3d72948 ((wq_completion)mld){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c3d72948 ((wq_completion)mld){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000993f7c20 ((work_completion)(&(&idev->mc_dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000993f7c20 ((work_completion)(&(&idev->mc_dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000d36f0530 (&idev->mc_lock){+.+.}-{4:4}, at: mld_dad_work+0x38/0x1d8 net/ipv6/mcast.c:2330 #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: mld_sendpack+0x1ac/0xd34 net/ipv6/mcast.c:1862 locks held by dhcpcd/4401: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by dhcpcd/4402: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by getty/4493: 2, on CPU#1: #0: ffff0000d1c020a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000932db2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x350/0xffc drivers/tty/n_tty.c:2211 locks held by syz-execprog/4717: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by syz-executor/4725: 1, last CPU#1: #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #0: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 locks held by kworker/0:4/4815: 4, on CPU#0: #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c002ad48 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096bc7c20 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096bc7c20 (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: class_mutex_constructor include/linux/mutex.h:253 [inline] #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: reg_todo+0x8c/0x848 net/wireless/reg.c:3273 #3: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #3: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0xb4/0x17c net/wireless/reg.c:3263 locks held by syz-executor/4865: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000d1514880 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by syz-executor/4869: 5, on CPU#1: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000edf31080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 #4: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1109 [inline] #4: ffff0000d7ed6128 (&dev->mutex){....}-{4:4}, at: device_del+0xa4/0x71c drivers/base/core.c:3929 locks held by syz-executor/4879: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000eeb94c80 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by syz-executor/4886: 4, on CPU#0: #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2762 [inline] #0: ffff0000d162a478 (sb_writers#6){.+.+}-{0:0}, at: vfs_write+0x248/0xa0c fs/read_write.c:683 #1: ffff0000ef8f9080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1b0/0x3b8 fs/kernfs/file.c:336 #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff0000ca6bd878 (kn->active#55){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x1f0/0x3b8 fs/kernfs/file.c:337 #3: ffff80008a3ad460 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd8/0x2d4 drivers/net/netdevsim/bus.c:233 locks held by kworker/u8:9/4986: 3, last CPU#1: #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971d7c20 ((work_completion)(&(&gc_work->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: gc_worker+0x210/0x144c net/netfilter/nf_conntrack_core.c:1530 locks held by kworker/u8:10/4987: 2, last CPU#1: #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971e7c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971e7c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/1:5/4989: 2, last CPU#1: #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c8905948 ((wq_completion)wg-kex-wg1){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff8000971b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff8000971b7c20 ((work_completion)(&({ do { const void __attribute__((btf_type_tag("percpu"))) *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ((typeof((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))))((unsigned long)((__typeof_unqual__(*((worker))) *)(( unsigned long)((worker)))) + (((__per_cpu_offset[(cpu)]))))); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:11/4991: 3, on CPU#1: #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004b948 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096437c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096437c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff80008adea2e0 (cfg80211_mutex){+.+.}-{4:4}, at: crda_timeout_work+0x30/0xa4 net/wireless/reg.c:530 locks held by kworker/u8:12/4993: 2, last CPU#1: #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004a948 ((wq_completion)events_dfl_long){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095747c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095747c20 ((work_completion)(&(&ipvs->defense_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by kworker/u8:13/4994: 4, last CPU#0: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800096447c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800096447c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000f09a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffff800089aa56a0 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6896 locks held by kworker/u8:14/4995: 3, last CPU#1: #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000c004c148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800097197c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800097197c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 #2: ffff0000eed80800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6990 [inline] #2: ffff0000eed80800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:596 locks held by syz-executor/4996: 4, last CPU#1: #0: ffff0000d1ac2478 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:531 #1: ffff0000daa90c90 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1071 [inline] #1: ffff0000daa90c90 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 fs/namei.c:2924 #2: ffff0000d1ac0950 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x19b0/0x1bc0 fs/jbd2/transaction.c:-1 #3: ffff0000dfe3c188 (&ei->i_data_sem#2){++++}-{4:4}, at: ext4_map_blocks+0x618/0xff8 fs/ext4/inode.c:926 locks held by kworker/u8:17/4999: 2, last CPU#1: #0: ffff0000cebc7948 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #0: ffff0000cebc7948 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3578 #1: ffff800095727c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3470 [inline] #1: ffff800095727c20 ((work_completion)(&(&bat_priv->tt.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3578 locks held by syz-executor/5001: 2, last CPU#1: #0: ffff0000caaf1800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:550 [inline] #0: ffff0000caaf1800 (&mm->mmap_lock){++++}-{4:4}, at: arch_setup_additional_pages+0x50/0x230 arch/arm64/kernel/vdso.c:337 #1: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:213 [inline] #1: ffff800089bcd0f0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:320 =============================================