device team0 entered promiscuous mode device team_slave_0 entered promiscuous mode EXT4-fs warning (device sda1): ext4_group_add:1669: No reserved GDT blocks, can't resize device team_slave_1 entered promiscuous mode ====================================================== WARNING: possible circular locking dependency detected 4.14.302-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/12802 is trying to acquire lock: (event_mutex){+.+.}, at: [] perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234 but task is already holding lock: (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x208/0x8a0 kernel/events/core.c:4405 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&event->child_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 perf_event_for_each_child+0x82/0x140 kernel/events/core.c:4690 _perf_ioctl+0x471/0x1a60 kernel/events/core.c:4877 perf_ioctl+0x55/0x80 kernel/events/core.c:4889 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #4 (&cpuctx_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 perf_event_init_cpu+0xb7/0x170 kernel/events/core.c:11291 perf_event_init+0x2cc/0x308 kernel/events/core.c:11338 start_kernel+0x45d/0x763 init/main.c:624 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #3 (pmus_lock){+.+.}: print_req_error: I/O error, dev loop4, sector 0 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 perf_event_init_cpu+0x2c/0x170 kernel/events/core.c:11285 cpuhp_invoke_callback+0x1e6/0x1a80 kernel/cpu.c:186 cpuhp_up_callbacks kernel/cpu.c:574 [inline] _cpu_up+0x21e/0x520 kernel/cpu.c:1193 do_cpu_up+0x9a/0x160 kernel/cpu.c:1229 smp_init+0x197/0x1ac kernel/smp.c:578 kernel_init_freeable+0x406/0x626 init/main.c:1074 kernel_init+0xd/0x15d init/main.c:1006 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:406 -> #2 (cpu_hotplug_lock.rw_sem){++++}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] cpus_read_lock+0x39/0xc0 kernel/cpu.c:297 static_key_slow_inc+0xe/0x20 kernel/jump_label.c:123 tracepoint_add_func+0x747/0xa40 kernel/tracepoint.c:269 tracepoint_probe_register_prio kernel/tracepoint.c:331 [inline] tracepoint_probe_register+0x8c/0xc0 kernel/tracepoint.c:352 trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x424/0xa30 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8145 perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9379 perf_init_event kernel/events/core.c:9417 [inline] perf_event_alloc.part.0+0xe2d/0x2640 kernel/events/core.c:9677 perf_event_alloc kernel/events/core.c:10047 [inline] SYSC_perf_event_open kernel/events/core.c:10151 [inline] SyS_perf_event_open+0x683/0x2530 kernel/events/core.c:10037 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #1 (tracepoints_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 tracepoint_probe_register_prio kernel/tracepoint.c:327 [inline] tracepoint_probe_register+0x68/0xc0 kernel/tracepoint.c:352 trace_event_reg+0x272/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x424/0xa30 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8145 perf_try_init_event+0x15b/0x1f0 kernel/events/core.c:9379 perf_init_event kernel/events/core.c:9417 [inline] perf_event_alloc.part.0+0xe2d/0x2640 kernel/events/core.c:9677 perf_event_alloc kernel/events/core.c:10047 [inline] SYSC_perf_event_open kernel/events/core.c:10151 [inline] SyS_perf_event_open+0x683/0x2530 kernel/events/core.c:10037 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #0 (event_mutex){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234 _free_event+0x321/0xe20 kernel/events/core.c:4246 free_event+0x32/0x40 kernel/events/core.c:4273 perf_event_release_kernel+0x368/0x8a0 kernel/events/core.c:4417 perf_release+0x33/0x40 kernel/events/core.c:4443 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa44/0x2850 kernel/exit.c:868 SYSC_exit kernel/exit.c:934 [inline] SyS_exit+0x1e/0x20 kernel/exit.c:932 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 other info that might help us debug this: Chain exists of: event_mutex --> &cpuctx_mutex --> &event->child_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&event->child_mutex); lock(&cpuctx_mutex); lock(&event->child_mutex); lock(event_mutex); *** DEADLOCK *** 2 locks held by syz-executor.2/12802: #0: (&ctx->mutex){+.+.}, at: [] perf_event_release_kernel+0x1fe/0x8a0 kernel/events/core.c:4404 #1: (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x208/0x8a0 kernel/events/core.c:4405 stack backtrace: CPU: 1 PID: 12802 Comm: syz-executor.2 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 perf_trace_destroy+0x23/0xf0 kernel/trace/trace_event_perf.c:234 _free_event+0x321/0xe20 kernel/events/core.c:4246 free_event+0x32/0x40 kernel/events/core.c:4273 perf_event_release_kernel+0x368/0x8a0 kernel/events/core.c:4417 perf_release+0x33/0x40 kernel/events/core.c:4443 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa44/0x2850 kernel/exit.c:868 SYSC_exit kernel/exit.c:934 [inline] SyS_exit+0x1e/0x20 kernel/exit.c:932 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f0fe1d770d9 RSP: 002b:00007f0fe02e9118 EFLAGS: 00000246 ORIG_RAX: 000000000000003c RAX: ffffffffffffffda RBX: 00007f0fe1e96f80 RCX: 00007f0fe1d770d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f0fe1dd2ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdc4a417cf R14: 00007f0fe02e9300 R15: 0000000000022000 bridge0: port 3(team0) entered blocking state bridge0: port 3(team0) entered forwarding state audit: type=1800 audit(1671503363.750:29): pid=12818 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="bus" dev="loop5" ino=7 res=0 EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop4): ext4_xattr_ibody_find:2199: inode #15: comm syz-executor.4: corrupted in-inode xattr EXT4-fs warning (device sda1): ext4_group_add:1669: No reserved GDT blocks, can't resize audit: type=1804 audit(1671503364.740:30): pid=12902 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir61966660/syzkaller.wBHYUc/105/bus" dev="sda1" ino=14374 res=1 EXT4-fs warning (device sda1): ext4_group_add:1669: No reserved GDT blocks, can't resize overlayfs: fs on 'file0' does not support file handles, falling back to index=off. EXT4-fs warning (device sda1): ext4_group_add:1669: No reserved GDT blocks, can't resize overlayfs: fs on './file0' does not support file handles, falling back to index=off. ====================================================== WARNING: the mand mount option is being deprecated and will be removed in v5.15! ====================================================== UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1804 audit(1671503365.860:31): pid=12962 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/109/file0/bus" dev="loop5" ino=842 res=1 audit: type=1804 audit(1671503365.890:32): pid=12962 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/109/file0/bus" dev="loop5" ino=842 res=1 audit: type=1804 audit(1671503365.900:33): pid=12962 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/109/file0/bus" dev="loop5" ino=842 res=1 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop5): udf_load_vrs: No VRS found overlayfs: fs on './file0' does not support file handles, falling back to index=off. UDF-fs: Scanning with blocksize 512 failed overlayfs: fs on './file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1804 audit(1671503366.900:34): pid=12999 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/110/file0/bus" dev="loop5" ino=842 res=1 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. audit: type=1804 audit(1671503366.940:35): pid=13001 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir4018051447/syzkaller.F6z4Lx/84/file0/bus" dev="loop3" ino=842 res=1 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. audit: type=1804 audit(1671503367.020:36): pid=13001 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir4018051447/syzkaller.F6z4Lx/84/file0/bus" dev="loop3" ino=842 res=1 UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed audit: type=1804 audit(1671503367.020:37): pid=13001 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir4018051447/syzkaller.F6z4Lx/84/file0/bus" dev="loop3" ino=842 res=1 overlayfs: fs on './file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: Scanning with blocksize 2048 failed audit: type=1804 audit(1671503367.040:38): pid=12999 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/110/file0/bus" dev="loop5" ino=842 res=1 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed audit: type=1804 audit(1671503367.050:39): pid=12999 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1011551468/syzkaller.UvpH8j/110/file0/bus" dev="loop5" ino=842 res=1 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed overlayfs: fs on './file0' does not support file handles, falling back to index=off. UDF-fs: warning (device loop3): udf_load_vrs: No VRS found UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop5): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1