audit: type=1400 audit(1663769522.567:8): avc: denied { kernel } for pid=3781 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 ------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.0.0-rc6-next-20220921 #1 Not tainted ------------------------------------------------------ syz-executor.0/3783 is trying to acquire lock: ffffffff853faab8 ((console_sem).lock){-...}-{2:2}, at: down_trylock+0xe/0x70 but task is already holding lock: ffff888008806420 (&ctx->lock){-...}-{2:2}, at: event_function+0x182/0x3d0 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&ctx->lock){-...}-{2:2}: _raw_spin_lock+0x2a/0x40 __perf_event_task_sched_out+0x53b/0x18d0 __schedule+0xedd/0x2470 schedule+0xda/0x1b0 futex_wait_queue+0xf5/0x1e0 futex_wait+0x28e/0x690 do_futex+0x2ff/0x380 __x64_sys_futex+0x1c6/0x4d0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd -> #2 (&rq->__lock){-.-.}-{2:2}: _raw_spin_lock_nested+0x30/0x40 raw_spin_rq_lock_nested+0x1e/0x30 task_fork_fair+0x63/0x4d0 sched_cgroup_fork+0x3d0/0x540 copy_process+0x4183/0x6e20 kernel_clone+0xe7/0x890 user_mode_thread+0xad/0xf0 rest_init+0x24/0x250 arch_call_rest_init+0xf/0x14 start_kernel+0x4c1/0x4e6 secondary_startup_64_no_verify+0xe0/0xeb -> #1 (&p->pi_lock){-.-.}-{2:2}: _raw_spin_lock_irqsave+0x39/0x60 try_to_wake_up+0xab/0x1930 up+0x75/0xb0 __up_console_sem+0x6e/0x80 console_unlock+0x46a/0x590 vprintk_emit+0x1bd/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 kauditd_hold_skb.cold+0x3f/0x4e kauditd_send_queue+0x233/0x290 kauditd_thread+0x5da/0x9a0 kthread+0x2ed/0x3a0 ret_from_fork+0x22/0x30 -> #0 ((console_sem).lock){-...}-{2:2}: __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 perf_group_detach+0x99e/0x12f0 __perf_remove_from_context+0x71e/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 unwind_next_frame+0xcfb/0x20b0 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 __create_object+0x389/0xc10 kmemleak_alloc_percpu+0xa4/0x150 pcpu_alloc+0x801/0x1100 __percpu_init_rwsem+0x22/0x150 alloc_super+0x27b/0xb00 sget_fc+0x13e/0x7a0 get_tree_nodev+0x24/0x1d0 vfs_get_tree+0x8e/0x300 path_mount+0x1310/0x1e20 __x64_sys_mount+0x282/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd other info that might help us debug this: Chain exists of: (console_sem).lock --> &rq->__lock --> &ctx->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->lock); lock(&rq->__lock); lock(&ctx->lock); lock((console_sem).lock); *** DEADLOCK *** 3 locks held by syz-executor.0/3783: #0: ffff88803dba60e0 (&type->s_umount_key/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb00 #1: ffff88806cf3d160 (&cpuctx_lock){-...}-{2:2}, at: event_function+0x16f/0x3d0 #2: ffff888008806420 (&ctx->lock){-...}-{2:2}, at: event_function+0x182/0x3d0 stack backtrace: CPU: 1 PID: 3783 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220921 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 check_noncircular+0x263/0x2e0 __lock_acquire+0x2a02/0x5e70 lock_acquire+0x1a2/0x530 _raw_spin_lock_irqsave+0x39/0x60 down_trylock+0xe/0x70 __down_trylock_console_sem+0x3b/0xd0 vprintk_emit+0x16b/0x560 vprintk+0x84/0xa0 _printk+0xba/0xf1 report_bug.cold+0x72/0xab handle_bug+0x3c/0x70 exc_invalid_op+0x14/0x50 asm_exc_invalid_op+0x16/0x20 RIP: 0010:perf_group_detach+0x99e/0x12f0 Code: 85 d5 f8 ff ff e8 a2 59 ee ff 65 44 8b 25 36 b2 aa 7e 31 ff 44 89 e6 e8 40 56 ee ff 45 85 e4 0f 84 0a 05 00 00 e8 82 59 ee ff <0f> 0b e9 a9 f8 ff ff e8 76 59 ee ff 65 8b 1d 0b b2 aa 7e 31 ff 89 RSP: 0018:ffff88806cf09e60 EFLAGS: 00010046 RAX: 0000000080010003 RBX: ffff88803deb05c8 RCX: 0000000000000000 RDX: ffff88801b6e5040 RSI: ffffffff8157c39e RDI: 0000000000000005 RBP: ffff88803deb05c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b005b R12: 0000000000000000 R13: ffff88803deb0658 R14: ffff888008806400 R15: ffff88803deb05c8 __perf_remove_from_context+0x71e/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:unwind_next_frame+0xcfb/0x20b0 Code: 01 4c 89 c9 83 e1 07 38 ca 0f 9e c1 84 d2 0f 95 c2 84 d1 0f 85 8f 11 00 00 41 83 e7 07 44 38 f8 0f 9e c2 84 c0 0f 95 c0 84 c2 <0f> 85 78 11 00 00 41 0f b6 40 04 c0 e8 04 3c 01 0f 84 a3 07 00 00 RSP: 0018:ffff8880176bf980 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffff8880176bff58 RDI: ffff8880176bfa68 RBP: ffff8880176bfa42 R08: ffffffff8624400c R09: ffffffff86244010 R10: ffffed1002ed7f4d R11: 000000000003603d R12: ffff8880176bfa41 R13: ffff8880176bfa60 R14: ffff8880176bfa00 R15: 0000000000000001 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 __create_object+0x389/0xc10 kmemleak_alloc_percpu+0xa4/0x150 pcpu_alloc+0x801/0x1100 __percpu_init_rwsem+0x22/0x150 alloc_super+0x27b/0xb00 sget_fc+0x13e/0x7a0 get_tree_nodev+0x24/0x1d0 vfs_get_tree+0x8e/0x300 path_mount+0x1310/0x1e20 __x64_sys_mount+0x282/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6aa09f804a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6a9df6bfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6aa09f804a RDX: 0000000020000000 RSI: 0000000020000580 RDI: 0000000000000000 RBP: 00007f6a9df6c040 R08: 00007f6a9df6c040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000580 R14: 00007f6a9df6c000 R15: 0000000020000840 WARNING: CPU: 1 PID: 3783 at kernel/events/core.c:2047 perf_group_detach+0x99e/0x12f0 Modules linked in: CPU: 1 PID: 3783 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220921 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:perf_group_detach+0x99e/0x12f0 Code: 85 d5 f8 ff ff e8 a2 59 ee ff 65 44 8b 25 36 b2 aa 7e 31 ff 44 89 e6 e8 40 56 ee ff 45 85 e4 0f 84 0a 05 00 00 e8 82 59 ee ff <0f> 0b e9 a9 f8 ff ff e8 76 59 ee ff 65 8b 1d 0b b2 aa 7e 31 ff 89 RSP: 0018:ffff88806cf09e60 EFLAGS: 00010046 RAX: 0000000080010003 RBX: ffff88803deb05c8 RCX: 0000000000000000 RDX: ffff88801b6e5040 RSI: ffffffff8157c39e RDI: 0000000000000005 RBP: ffff88803deb05c8 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: ffffffff865b005b R12: 0000000000000000 R13: ffff88803deb0658 R14: ffff888008806400 R15: ffff88803deb05c8 FS: 00007f6a9df6c700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a9df6d000 CR3: 0000000019f92000 CR4: 0000000000350ee0 Call Trace: __perf_remove_from_context+0x71e/0xb20 event_function+0x297/0x3d0 remote_function+0x125/0x1b0 __flush_smp_call_function_queue+0x1df/0x5a0 __sysvec_call_function_single+0x92/0x3a0 sysvec_call_function_single+0x89/0xc0 asm_sysvec_call_function_single+0x16/0x20 RIP: 0010:unwind_next_frame+0xcfb/0x20b0 Code: 01 4c 89 c9 83 e1 07 38 ca 0f 9e c1 84 d2 0f 95 c2 84 d1 0f 85 8f 11 00 00 41 83 e7 07 44 38 f8 0f 9e c2 84 c0 0f 95 c0 84 c2 <0f> 85 78 11 00 00 41 0f b6 40 04 c0 e8 04 3c 01 0f 84 a3 07 00 00 RSP: 0018:ffff8880176bf980 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffff8880176bff58 RDI: ffff8880176bfa68 RBP: ffff8880176bfa42 R08: ffffffff8624400c R09: ffffffff86244010 R10: ffffed1002ed7f4d R11: 000000000003603d R12: ffff8880176bfa41 R13: ffff8880176bfa60 R14: ffff8880176bfa00 R15: 0000000000000001 arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 __create_object+0x389/0xc10 kmemleak_alloc_percpu+0xa4/0x150 pcpu_alloc+0x801/0x1100 __percpu_init_rwsem+0x22/0x150 alloc_super+0x27b/0xb00 sget_fc+0x13e/0x7a0 get_tree_nodev+0x24/0x1d0 vfs_get_tree+0x8e/0x300 path_mount+0x1310/0x1e20 __x64_sys_mount+0x282/0x300 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6aa09f804a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6a9df6bfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6aa09f804a RDX: 0000000020000000 RSI: 0000000020000580 RDI: 0000000000000000 RBP: 00007f6a9df6c040 R08: 00007f6a9df6c040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000580 R14: 00007f6a9df6c000 R15: 0000000020000840 irq event stamp: 4034 hardirqs last enabled at (4033): [] ___slab_alloc+0x89f/0x10c0 hardirqs last disabled at (4034): [] sysvec_call_function_single+0xb/0xc0 softirqs last enabled at (3896): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (3849): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- audit: type=1326 audit(1663769523.829:9): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=3864 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7feafe855b19 code=0x0 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= audit: type=1326 audit(1663769527.113:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=3964 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7feafe855b19 code=0x0 loop6: detected capacity change from 0 to 40 audit: type=1326 audit(1663769527.279:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=3980 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7feafe855b19 code=0x0 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write syz-executor.6 (3981) used greatest stack depth: 24472 bytes left audit: type=1326 audit(1663769527.516:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=4009 comm="syz-executor.4" exe="/syz-executor.4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7feafe855b19 code=0x0 loop6: detected capacity change from 0 to 40 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write hrtimer: interrupt took 19246 ns loop7: detected capacity change from 0 to 40 loop5: detected capacity change from 0 to 40 loop2: detected capacity change from 0 to 3520 ISO 9660 Extensions: Microsoft Joliet Level 3 loop6: detected capacity change from 0 to 40 ISOFS: changing to secondary root syz-executor.5: attempt to access beyond end of device loop5: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop5, logical block 10, lost async page write syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 loop7: detected capacity change from 0 to 40 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write loop5: detected capacity change from 0 to 40 Bluetooth: hci4: HCI_REQ-0x0401 Bluetooth: hci4: HCI_REQ-0x0401 syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write loop6: detected capacity change from 0 to 40 loop0: detected capacity change from 0 to 184 Bluetooth: hci4: HCI_REQ-0x0401 Bluetooth: hci4: HCI_REQ-0x0401 syz-executor.6: attempt to access beyond end of device loop6: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop6, logical block 10, lost async page write syz-executor.5: attempt to access beyond end of device loop5: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop5, logical block 10, lost async page write UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 syz-executor.0 (4076) used greatest stack depth: 23640 bytes left loop7: detected capacity change from 0 to 40 Bluetooth: hci4: HCI_REQ-0x0401 loop5: detected capacity change from 0 to 40 syz-executor.7: attempt to access beyond end of device loop7: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop7, logical block 10, lost async page write SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 syz-executor.5: attempt to access beyond end of device loop5: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop5, logical block 10, lost async page write SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 Zero length message leads to an empty skb SELinux: security_context_str_to_sid (sysadm_u) failed with errno=-22 Bluetooth: hci4: command 0x0401 tx timeout loop7: detected capacity change from 0 to 144 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir120620832/syzkaller.6f6MTl/15/mnt supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. loop7: detected capacity change from 0 to 144 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir120620832/syzkaller.6f6MTl/16/mnt supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. loop7: detected capacity change from 0 to 144 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir120620832/syzkaller.6f6MTl/17/mnt supports timestamps until 2038 (0x7fffffff) autofs4:pid:4318:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4318:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1768304430.3237228), cmd(0xc0189376) autofs4:pid:4318:validate_dev_ioctl: invalid device control module version supplied for cmd(0xc0189376) EXT4-fs (loop7): unmounting filesystem. loop7: detected capacity change from 0 to 144 EXT4-fs (loop7): mounted filesystem without journal. Quota mode: none. ext4 filesystem being mounted at /syzkaller-testdir120620832/syzkaller.6f6MTl/18/mnt supports timestamps until 2038 (0x7fffffff) EXT4-fs (loop7): unmounting filesystem. autofs4:pid:4343:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4355:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4362:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4359:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4358:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4363:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4367:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4366:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4371:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4369:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4374:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4376:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4377:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4380:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4381:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4385:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4384:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4393:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4390:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4387:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4394:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) autofs4:pid:4407:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) loop0: detected capacity change from 0 to 512 EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. autofs4:pid:4418:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) EXT4-fs (loop0): unmounting filesystem. Bluetooth: hci4: command 0x0401 tx timeout autofs4:pid:4444:validate_dev_ioctl: path string terminator missing for cmd(0xc0189376) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. ---------------- Code disassembly (best guess): 0: 01 4c 89 c9 add %ecx,-0x37(%rcx,%rcx,4) 4: 83 e1 07 and $0x7,%ecx 7: 38 ca cmp %cl,%dl 9: 0f 9e c1 setle %cl c: 84 d2 test %dl,%dl e: 0f 95 c2 setne %dl 11: 84 d1 test %dl,%cl 13: 0f 85 8f 11 00 00 jne 0x11a8 19: 41 83 e7 07 and $0x7,%r15d 1d: 44 38 f8 cmp %r15b,%al 20: 0f 9e c2 setle %dl 23: 84 c0 test %al,%al 25: 0f 95 c0 setne %al 28: 84 c2 test %al,%dl * 2a: 0f 85 78 11 00 00 jne 0x11a8 <-- trapping instruction 30: 41 0f b6 40 04 movzbl 0x4(%r8),%eax 35: c0 e8 04 shr $0x4,%al 38: 3c 01 cmp $0x1,%al 3a: 0f 84 a3 07 00 00 je 0x7e3