./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2087198897 <...> syzkaller login: [ 5.929766][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 12.911509][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #10!!! [ 15.563993][ T24] kauditd_printk_skb: 60 callbacks suppressed [ 15.564003][ T24] audit: type=1400 audit(1664672488.940:71): avc: denied { transition } for pid=353 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 15.569385][ T24] audit: type=1400 audit(1664672488.940:72): avc: denied { write } for pid=353 comm="sh" path="pipe:[11290]" dev="pipefs" ino=11290 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 16.199656][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 17.140393][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 17.389676][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 17.451230][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. execve("./syz-executor2087198897", ["./syz-executor2087198897"], 0x7fff51c76c80 /* 10 vars */) = 0 brk(NULL) = 0x555555e41000 brk(0x555555e41c40) = 0x555555e41c40 arch_prctl(ARCH_SET_FS, 0x555555e41300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2087198897", 4096) = 28 brk(0x555555e62c40) = 0x555555e62c40 brk(0x555555e63000) = 0x555555e63000 mprotect(0x7febf80fb000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e415d0) = 372 ./strace-static-x86_64: Process 372 attached [pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 372] setpgid(0, 0) = 0 [pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 372] write(3, "1000", 4) = 4 [pid 372] close(3) = 0 [pid 372] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3 [pid 372] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 372] write(4, "73", 2) = 2 [pid 372] ioctl(3, LOOP_CTL_ADD, 0) = -1 EEXIST (File exists) [ 23.317925][ T24] audit: type=1400 audit(1664672496.690:73): avc: denied { execmem } for pid=371 comm="syz-executor208" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.337413][ T24] audit: type=1400 audit(1664672496.690:74): avc: denied { read } for pid=372 comm="syz-executor208" name="loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [pid 372] ioctl(3, LOOP_CTL_REMOVE, 0) = 0 [pid 372] exit_group(0) = ? [pid 372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e415d0) = 375 ./strace-static-x86_64: Process 375 attached [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3 [pid 375] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 375] write(4, "73", 2) = 2 [ 23.364532][ T24] audit: type=1400 audit(1664672496.690:75): avc: denied { open } for pid=372 comm="syz-executor208" path="/dev/loop-control" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 23.389568][ T24] audit: type=1400 audit(1664672496.690:76): avc: denied { ioctl } for pid=372 comm="syz-executor208" path="/dev/loop-control" dev="devtmpfs" ino=114 ioctlcmd=0x4c80 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:loop_control_device_t tclass=chr_file permissive=1 [ 23.397826][ T375] FAULT_INJECTION: forcing a failure. [ 23.397826][ T375] name failslab, interval 1, probability 0, space 0, times 1 [ 23.428590][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Not tainted 5.10.146-syzkaller-01235-g391716695e71 #0 [ 23.438807][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 23.448844][ T375] Call Trace: [ 23.452120][ T375] dump_stack_lvl+0x1e2/0x24b [ 23.456772][ T375] ? bfq_pos_tree_add_move+0x43e/0x43e [ 23.462220][ T375] dump_stack+0x15/0x17 [ 23.466360][ T375] should_fail+0x3c0/0x510 [ 23.470763][ T375] ? __kernfs_new_node+0x99/0x6e0 [ 23.475770][ T375] __should_failslab+0x9f/0xe0 [ 23.480510][ T375] should_failslab+0x9/0x20 [ 23.484983][ T375] __kmalloc_track_caller+0x5f/0x350 [ 23.490241][ T375] ? __kernel_text_address+0x9a/0x110 [ 23.495585][ T375] ? unwind_get_return_address+0x4c/0x90 [ 23.501190][ T375] kstrdup_const+0x55/0x90 [ 23.505578][ T375] __kernfs_new_node+0x99/0x6e0 [ 23.510402][ T375] ? stack_trace_save+0x12d/0x1f0 [ 23.515398][ T375] ? kernfs_new_node+0x170/0x170 [ 23.520312][ T375] ? stack_trace_snprint+0x100/0x100 [ 23.525573][ T375] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 23.531349][ T375] ? stack_depot_save+0x433/0x4a0 [ 23.536347][ T375] ? device_add+0xbe/0xbd0 [ 23.540737][ T375] kernfs_create_dir_ns+0x9b/0x230 [ 23.545822][ T375] sysfs_create_dir_ns+0x181/0x390 [ 23.550914][ T375] ? sysfs_warn_dup+0xa0/0xa0 [ 23.555580][ T375] kobject_add_internal+0x766/0xda0 [ 23.560760][ T375] kobject_add+0x14c/0x210 [ 23.565149][ T375] ? _raw_spin_lock+0xa3/0x1b0 [ 23.569883][ T375] ? kobject_init+0x1e0/0x1e0 [ 23.574531][ T375] ? mutex_unlock+0x29/0xf0 [ 23.579007][ T375] ? get_device_parent+0x2c5/0x430 [ 23.584088][ T375] device_add+0x3ca/0xbd0 [ 23.588394][ T375] __device_add_disk+0x77d/0x11d0 [ 23.593394][ T375] ? device_add_disk+0x40/0x40 [ 23.598130][ T375] ? vsprintf+0x40/0x40 [ 23.602261][ T375] device_add_disk+0x2a/0x40 [ 23.606822][ T375] loop_add+0x58f/0x760 [ 23.610950][ T375] loop_control_ioctl+0x564/0x740 [ 23.615945][ T375] ? loop_remove+0xb0/0xb0 [ 23.620333][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.625506][ T375] ? ptrace_notify+0x248/0x340 [ 23.630240][ T375] ? do_notify_parent+0xa40/0xa40 [ 23.635236][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 23.640757][ T375] ? security_file_ioctl+0xb1/0xd0 [ 23.645843][ T375] ? loop_remove+0xb0/0xb0 [ 23.650240][ T375] __se_sys_ioctl+0x115/0x190 [ 23.654988][ T375] __x64_sys_ioctl+0x7b/0x90 [ 23.659566][ T375] do_syscall_64+0x34/0x70 [ 23.663954][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 23.669816][ T375] RIP: 0033:0x7febf808e069 [ 23.674205][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 23.693784][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.702171][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 23.710118][ T375] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 23.718081][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000002 R09: 0000000000000001 [ 23.726027][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 23.733972][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 23.742087][ T375] kobject_add_internal failed for loop0 (error: -12 parent: block) [ 23.750518][ T375] kobject_add_internal failed for queue (error: -2 parent: loop0) [ 23.758540][ T375] ------------[ cut here ]------------ [ 23.764012][ T375] WARNING: CPU: 1 PID: 375 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0 [ 23.773113][ T375] Modules linked in: [ 23.776990][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Not tainted 5.10.146-syzkaller-01235-g391716695e71 #0 [ 23.787332][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 23.797412][ T375] RIP: 0010:sysfs_create_files+0x215/0x4a0 [ 23.803228][ T375] Code: 24 04 48 b9 00 00 00 00 00 fc ff df 48 8b 54 24 08 4c 8b 74 24 20 eb 2b 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 3b a4 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b [ 23.822861][ T375] RSP: 0018:ffffc9000099fae0 EFLAGS: 00010293 [ 23.828913][ T375] RAX: ffffffff81d24761 RBX: ffff8881065f1098 RCX: ffff8881067b93c0 [ 23.836906][ T375] RDX: 0000000000000000 RSI: ffffffff8653a820 RDI: ffff8881065f1068 [ 23.844910][ T375] RBP: ffffc9000099fbb0 R08: ffffffff826c21f8 R09: ffffed102150e12e [ 23.852881][ T375] R10: ffffed102150e12e R11: 1ffff1102150e12d R12: 0000000000000000 [ 23.860867][ T375] R13: ffffffff85432a20 R14: ffff8881065f1068 R15: ffffffff8653a820 [ 23.868828][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.877841][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.884432][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 23.892436][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.900404][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.908349][ T375] Call Trace: [ 23.911641][ T375] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 23.917014][ T375] ? __kasan_check_write+0x14/0x20 [ 23.922143][ T375] ? kobject_get+0xd2/0x120 [ 23.926631][ T375] __device_add_disk+0x9cb/0x11d0 [ 23.931743][ T375] ? device_add_disk+0x40/0x40 [ 23.936577][ T375] ? vsprintf+0x40/0x40 [ 23.940752][ T375] device_add_disk+0x2a/0x40 [ 23.945343][ T375] loop_add+0x58f/0x760 [ 23.949474][ T375] loop_control_ioctl+0x564/0x740 [ 23.954500][ T375] ? loop_remove+0xb0/0xb0 [ 23.958908][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.964194][ T375] ? ptrace_notify+0x248/0x340 [ 23.968943][ T375] ? do_notify_parent+0xa40/0xa40 [ 23.973973][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 23.979501][ T375] ? security_file_ioctl+0xb1/0xd0 [ 23.984615][ T375] ? loop_remove+0xb0/0xb0 [ 23.989021][ T375] __se_sys_ioctl+0x115/0x190 [ 23.993698][ T375] __x64_sys_ioctl+0x7b/0x90 [ 23.998278][ T375] do_syscall_64+0x34/0x70 [ 24.002694][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 24.008572][ T375] RIP: 0033:0x7febf808e069 [ 24.012979][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 24.032644][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.041081][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 24.049075][ T375] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 24.057158][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000002 R09: 0000000000000001 [ 24.065145][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 24.073125][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.081097][ T375] ---[ end trace 2a683366fa6bdcf3 ]--- [ 24.086525][ T375] ------------[ cut here ]------------ [ 24.091990][ T375] kernfs: can not remove 'events', no directory [ 24.098260][ T375] WARNING: CPU: 1 PID: 375 at fs/kernfs/dir.c:1515 kernfs_remove_by_name_ns+0x65/0x90 [ 24.107796][ T375] Modules linked in: [ 24.111703][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 24.123320][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 24.133381][ T375] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 24.139593][ T375] Code: 48 89 c3 e8 8d 02 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 7c 02 9b ff 48 c7 c7 c0 2a 2d 85 4c 89 fe 31 c0 e8 bb 1a 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 5d 02 9b ff bb fe ff ff ff 48 c7 c7 [ 24.159395][ T375] RSP: 0018:ffffc9000099fab8 EFLAGS: 00010246 [ 24.165476][ T375] RAX: 90aa71e5be83d000 RBX: 0000000000000000 RCX: ffff8881067b93c0 [ 24.173450][ T375] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.181440][ T375] RBP: ffffc9000099fad0 R08: ffffffff8153d448 R09: ffffed103ee2a5e8 [ 24.189504][ T375] R10: ffffed103ee2a5e8 R11: 1ffff1103ee2a5e7 R12: ffffffff8653a820 [ 24.197519][ T375] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff85432a00 [ 24.205521][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.214464][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.221057][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 24.229026][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.237027][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.245007][ T375] Call Trace: [ 24.248280][ T375] sysfs_create_files+0x40a/0x4a0 [ 24.253341][ T375] ? sysfs_create_file_ns+0x2a0/0x2a0 [ 24.258730][ T375] ? __kasan_check_write+0x14/0x20 [ 24.263859][ T375] ? kobject_get+0xd2/0x120 [ 24.268356][ T375] __device_add_disk+0x9cb/0x11d0 [ 24.273383][ T375] ? device_add_disk+0x40/0x40 [ 24.278184][ T375] ? vsprintf+0x40/0x40 [ 24.282378][ T375] device_add_disk+0x2a/0x40 [ 24.287061][ T375] loop_add+0x58f/0x760 [ 24.291232][ T375] loop_control_ioctl+0x564/0x740 [ 24.296256][ T375] ? loop_remove+0xb0/0xb0 [ 24.300683][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.305875][ T375] ? ptrace_notify+0x248/0x340 [ 24.310648][ T375] ? do_notify_parent+0xa40/0xa40 [ 24.315660][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 24.321202][ T375] ? security_file_ioctl+0xb1/0xd0 [ 24.326301][ T375] ? loop_remove+0xb0/0xb0 [ 24.330717][ T375] __se_sys_ioctl+0x115/0x190 [ 24.335380][ T375] __x64_sys_ioctl+0x7b/0x90 [ 24.339973][ T375] do_syscall_64+0x34/0x70 [ 24.344402][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 24.350390][ T375] RIP: 0033:0x7febf808e069 [ 24.354796][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 24.374420][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.382861][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 24.390846][ T375] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 24.398801][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000002 R09: 0000000000000001 [ 24.406808][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 24.414810][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [pid 375] ioctl(3, LOOP_CTL_ADD, 0) = 0 [ 24.422830][ T375] ---[ end trace 2a683366fa6bdcf4 ]--- [ 24.428284][ T375] loop0: failed to create sysfs files for events [ 24.435270][ T375] ------------[ cut here ]------------ [ 24.440761][ T375] kernfs: can not remove 'events', no directory [ 24.447024][ T375] WARNING: CPU: 1 PID: 375 at fs/kernfs/dir.c:1515 kernfs_remove_by_name_ns+0x65/0x90 [ 24.456689][ T375] Modules linked in: [ 24.460620][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 24.472235][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 24.482301][ T375] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 24.488461][ T375] Code: 48 89 c3 e8 8d 02 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 7c 02 9b ff 48 c7 c7 c0 2a 2d 85 4c 89 fe 31 c0 e8 bb 1a 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 5d 02 9b ff bb fe ff ff ff 48 c7 c7 [ 24.508072][ T375] RSP: 0018:ffffc9000099fbf8 EFLAGS: 00010246 [ 24.514153][ T375] RAX: 90aa71e5be83d000 RBX: 0000000000000000 RCX: ffff8881067b93c0 [ 24.522134][ T375] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.530112][ T375] RBP: ffffc9000099fc10 R08: ffffffff8153d448 R09: ffffed103ee24e93 [ 24.538069][ T375] R10: ffffed103ee24e93 R11: 1ffff1103ee24e92 R12: 0000000000000000 [ 24.546056][ T375] R13: ffffffff8653a820 R14: 0000000000000000 R15: ffffffff85432a00 [ 24.554050][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.563092][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.569780][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 24.577767][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.585767][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.593754][ T375] Call Trace: [ 24.597029][ T375] sysfs_remove_files+0xab/0x110 [ 24.601985][ T375] del_gendisk+0x278/0xe20 [ 24.606447][ T375] ? device_add_disk_no_queue_reg+0x30/0x30 [ 24.612359][ T375] ? __radix_tree_delete+0x2ba/0x380 [ 24.617642][ T375] ? radix_tree_delete_item+0x261/0x360 [ 24.623199][ T375] loop_remove+0x46/0xb0 [ 24.627438][ T375] loop_control_ioctl+0x67f/0x740 [ 24.632468][ T375] ? loop_remove+0xb0/0xb0 [ 24.637112][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.642357][ T375] ? ptrace_notify+0x248/0x340 [ 24.647153][ T375] ? do_notify_parent+0xa40/0xa40 [ 24.652189][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 24.657726][ T375] ? security_file_ioctl+0xb1/0xd0 [ 24.662839][ T375] ? loop_remove+0xb0/0xb0 [ 24.667248][ T375] __se_sys_ioctl+0x115/0x190 [ 24.671923][ T375] __x64_sys_ioctl+0x7b/0x90 [ 24.676501][ T375] do_syscall_64+0x34/0x70 [ 24.680919][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 24.686801][ T375] RIP: 0033:0x7febf808e069 [ 24.691217][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 24.710839][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 24.719326][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 24.727325][ T375] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 24.735298][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000001 R09: 0000000000000001 [ 24.743286][ T375] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000004 [ 24.751368][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 24.759317][ T375] ---[ end trace 2a683366fa6bdcf5 ]--- [ 24.764798][ T375] ------------[ cut here ]------------ [ 24.770261][ T375] kernfs: can not remove 'events_async', no directory [ 24.777040][ T375] WARNING: CPU: 1 PID: 375 at fs/kernfs/dir.c:1515 kernfs_remove_by_name_ns+0x65/0x90 [ 24.786582][ T375] Modules linked in: [ 24.790487][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 24.802111][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 24.812178][ T375] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 24.818318][ T375] Code: 48 89 c3 e8 8d 02 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 7c 02 9b ff 48 c7 c7 c0 2a 2d 85 4c 89 fe 31 c0 e8 bb 1a 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 5d 02 9b ff bb fe ff ff ff 48 c7 c7 [ 24.837963][ T375] RSP: 0018:ffffc9000099fbf8 EFLAGS: 00010246 [ 24.844031][ T375] RAX: 90aa71e5be83d000 RBX: 0000000000000000 RCX: ffff8881067b93c0 [ 24.851999][ T375] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 24.860052][ T375] RBP: ffffc9000099fc10 R08: ffffffff8153d448 R09: ffffed103ee24e93 [ 24.868001][ T375] R10: ffffed103ee24e93 R11: 1ffff1103ee24e92 R12: 0000000000000000 [ 24.876064][ T375] R13: ffffffff8653a820 R14: 0000000000000000 R15: ffffffff85432ae0 [ 24.884042][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.892996][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.899569][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 24.907546][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.915523][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.923497][ T375] Call Trace: [ 24.926773][ T375] sysfs_remove_files+0xab/0x110 [ 24.931719][ T375] del_gendisk+0x278/0xe20 [ 24.936128][ T375] ? device_add_disk_no_queue_reg+0x30/0x30 [ 24.942024][ T375] ? __radix_tree_delete+0x2ba/0x380 [ 24.947302][ T375] ? radix_tree_delete_item+0x261/0x360 [ 24.952865][ T375] loop_remove+0x46/0xb0 [ 24.957090][ T375] loop_control_ioctl+0x67f/0x740 [ 24.962112][ T375] ? loop_remove+0xb0/0xb0 [ 24.966515][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.971710][ T375] ? ptrace_notify+0x248/0x340 [ 24.976454][ T375] ? do_notify_parent+0xa40/0xa40 [ 24.981476][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 24.987009][ T375] ? security_file_ioctl+0xb1/0xd0 [ 24.992115][ T375] ? loop_remove+0xb0/0xb0 [ 24.996524][ T375] __se_sys_ioctl+0x115/0x190 [ 25.001198][ T375] __x64_sys_ioctl+0x7b/0x90 [ 25.005772][ T375] do_syscall_64+0x34/0x70 [ 25.010188][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 25.016066][ T375] RIP: 0033:0x7febf808e069 [ 25.020477][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 25.040074][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.048466][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 25.056451][ T375] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.064420][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000001 R09: 0000000000000001 [ 25.072400][ T375] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000004 [ 25.080388][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.088336][ T375] ---[ end trace 2a683366fa6bdcf6 ]--- [ 25.093785][ T375] ------------[ cut here ]------------ [ 25.099225][ T375] kernfs: can not remove 'events_poll_msecs', no directory [ 25.106471][ T375] WARNING: CPU: 1 PID: 375 at fs/kernfs/dir.c:1515 kernfs_remove_by_name_ns+0x65/0x90 [ 25.116021][ T375] Modules linked in: [ 25.119928][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 25.131553][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 25.141708][ T375] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 25.147848][ T375] Code: 48 89 c3 e8 8d 02 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 7c 02 9b ff 48 c7 c7 c0 2a 2d 85 4c 89 fe 31 c0 e8 bb 1a 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 5d 02 9b ff bb fe ff ff ff 48 c7 c7 [ 25.167477][ T375] RSP: 0018:ffffc9000099fbf8 EFLAGS: 00010246 [ 25.173556][ T375] RAX: 90aa71e5be83d000 RBX: 0000000000000000 RCX: ffff8881067b93c0 [ 25.181530][ T375] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 25.189578][ T375] RBP: ffffc9000099fc10 R08: ffffffff8153d448 R09: fffff52000133ea5 [ 25.197561][ T375] R10: fffff52000133ea5 R11: 1ffff92000133ea4 R12: 0000000000000000 [ 25.205547][ T375] R13: ffffffff8653a820 R14: 0000000000000000 R15: ffffffff85432b40 [ 25.213609][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.222533][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.229090][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 25.237237][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.245205][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.253201][ T375] Call Trace: [ 25.256487][ T375] sysfs_remove_files+0xab/0x110 [ 25.261438][ T375] del_gendisk+0x278/0xe20 [ 25.265850][ T375] ? device_add_disk_no_queue_reg+0x30/0x30 [ 25.271771][ T375] ? __radix_tree_delete+0x2ba/0x380 [ 25.277051][ T375] ? radix_tree_delete_item+0x261/0x360 [ 25.282607][ T375] loop_remove+0x46/0xb0 [ 25.286909][ T375] loop_control_ioctl+0x67f/0x740 [ 25.291954][ T375] ? loop_remove+0xb0/0xb0 [ 25.296415][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.301625][ T375] ? ptrace_notify+0x248/0x340 [ 25.306379][ T375] ? do_notify_parent+0xa40/0xa40 [ 25.311423][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 25.317065][ T375] ? security_file_ioctl+0xb1/0xd0 [ 25.322189][ T375] ? loop_remove+0xb0/0xb0 [ 25.326618][ T375] __se_sys_ioctl+0x115/0x190 [ 25.331297][ T375] __x64_sys_ioctl+0x7b/0x90 [ 25.335886][ T375] do_syscall_64+0x34/0x70 [ 25.340306][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 25.346179][ T375] RIP: 0033:0x7febf808e069 [ 25.350595][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 25.370289][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.378679][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 25.386712][ T375] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.394693][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000001 R09: 0000000000000001 [ 25.402665][ T375] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000004 [ 25.410653][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.418605][ T375] ---[ end trace 2a683366fa6bdcf7 ]--- [ 25.424102][ T375] ------------[ cut here ]------------ [ 25.429534][ T375] kernfs: can not remove 'bdi', no directory [ 25.435576][ T375] WARNING: CPU: 1 PID: 375 at fs/kernfs/dir.c:1515 kernfs_remove_by_name_ns+0x65/0x90 [ 25.445128][ T375] Modules linked in: [ 25.449013][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 25.460635][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 25.470702][ T375] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90 [ 25.476832][ T375] Code: 48 89 c3 e8 8d 02 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 7c 02 9b ff 48 c7 c7 c0 2a 2d 85 4c 89 fe 31 c0 e8 bb 1a 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 5d 02 9b ff bb fe ff ff ff 48 c7 c7 [ 25.496444][ T375] RSP: 0018:ffffc9000099fc18 EFLAGS: 00010246 [ 25.502520][ T375] RAX: 90aa71e5be83d000 RBX: 0000000000000000 RCX: ffff8881067b93c0 [ 25.510493][ T375] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 25.518457][ T375] RBP: ffffc9000099fc30 R08: ffffffff8153d448 R09: fffff52000133ea9 [ 25.526430][ T375] R10: fffff52000133ea9 R11: 1ffff92000133ea8 R12: 0000000000000240 [ 25.534418][ T375] R13: ffff8881065f1030 R14: 0000000000000000 R15: ffffffff854323e0 [ 25.542401][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.551375][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.557934][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 25.565913][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.573901][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.581868][ T375] Call Trace: [ 25.585159][ T375] sysfs_remove_link+0x50/0x60 [ 25.589935][ T375] del_gendisk+0x7cd/0xe20 [ 25.594351][ T375] ? device_add_disk_no_queue_reg+0x30/0x30 [ 25.600247][ T375] ? __radix_tree_delete+0x2ba/0x380 [ 25.605531][ T375] ? radix_tree_delete_item+0x261/0x360 [ 25.611092][ T375] loop_remove+0x46/0xb0 [ 25.615337][ T375] loop_control_ioctl+0x67f/0x740 [ 25.620361][ T375] ? loop_remove+0xb0/0xb0 [ 25.624768][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.629968][ T375] ? ptrace_notify+0x248/0x340 [ 25.634720][ T375] ? do_notify_parent+0xa40/0xa40 [ 25.639745][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 25.645290][ T375] ? security_file_ioctl+0xb1/0xd0 [ 25.650413][ T375] ? loop_remove+0xb0/0xb0 [ 25.654820][ T375] __se_sys_ioctl+0x115/0x190 [ 25.659471][ T375] __x64_sys_ioctl+0x7b/0x90 [ 25.664060][ T375] do_syscall_64+0x34/0x70 [ 25.668474][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 25.674376][ T375] RIP: 0033:0x7febf808e069 [ 25.678780][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 25.698493][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 25.706913][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 25.714893][ T375] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 25.722862][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000001 R09: 0000000000000001 [ 25.730837][ T375] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000004 [ 25.738793][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 25.746773][ T375] ---[ end trace 2a683366fa6bdcf8 ]--- [ 25.752511][ T375] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN [ 25.764213][ T375] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7] [ 25.772706][ T375] CPU: 1 PID: 375 Comm: syz-executor208 Tainted: G W 5.10.146-syzkaller-01235-g391716695e71 #0 [ 25.784301][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 25.794429][ T375] RIP: 0010:device_del+0xdf/0xf00 [ 25.799424][ T375] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 4b bf df fe 4c 89 7c 24 48 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 8a 04 2c 84 c0 0f 85 0d 0d 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 25.819002][ T375] RSP: 0018:ffffc9000099fb60 EFLAGS: 00010202 [ 25.825111][ T375] RAX: 1ffff11020cbe21a RBX: ffff8881065f10d0 RCX: ffff8881067b93c0 [ 25.833076][ T375] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000099fae0 [ 25.841023][ T375] RBP: ffffc9000099fc50 R08: dffffc0000000000 R09: fffff52000133f5d [ 25.848968][ T375] R10: fffff52000133f5d R11: 1ffff92000133f5c R12: 000000000000001a [ 25.857023][ T375] R13: dffffc0000000000 R14: ffff8881065f1108 R15: 00000000000000d0 [ 25.864977][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.873882][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.880444][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 25.888433][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.897248][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.905195][ T375] Call Trace: [ 25.908468][ T375] ? _raw_spin_lock_irqsave+0x210/0x210 [ 25.913988][ T375] ? kernfs_name_hash+0x1f9/0x240 [ 25.918986][ T375] ? kill_device+0xd0/0xd0 [ 25.923378][ T375] del_gendisk+0xbf2/0xe20 [ 25.927772][ T375] ? device_add_disk_no_queue_reg+0x30/0x30 [ 25.933639][ T375] ? __radix_tree_delete+0x2ba/0x380 [ 25.938897][ T375] ? radix_tree_delete_item+0x261/0x360 [ 25.944420][ T375] loop_remove+0x46/0xb0 [ 25.948644][ T375] loop_control_ioctl+0x67f/0x740 [ 25.953644][ T375] ? loop_remove+0xb0/0xb0 [ 25.958037][ T375] ? _raw_spin_unlock_irq+0x4e/0x70 [ 25.963211][ T375] ? ptrace_notify+0x248/0x340 [ 25.967957][ T375] ? do_notify_parent+0xa40/0xa40 [ 25.972961][ T375] ? __fpregs_load_activate+0x1e7/0x370 [ 25.978492][ T375] ? security_file_ioctl+0xb1/0xd0 [ 25.983664][ T375] ? loop_remove+0xb0/0xb0 [ 25.988057][ T375] __se_sys_ioctl+0x115/0x190 [ 25.992714][ T375] __x64_sys_ioctl+0x7b/0x90 [ 25.997294][ T375] do_syscall_64+0x34/0x70 [ 26.001698][ T375] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 26.007562][ T375] RIP: 0033:0x7febf808e069 [ 26.011951][ T375] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 26.031530][ T375] RSP: 002b:00007ffc110ebeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 26.039919][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007febf808e069 [ 26.047862][ T375] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 26.055809][ T375] RBP: 00007ffc110ebed0 R08: 0000000000000001 R09: 0000000000000001 [ 26.063771][ T375] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000004 [ 26.071716][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 26.079665][ T375] Modules linked in: [ 26.083638][ T375] ---[ end trace 2a683366fa6bdcf9 ]--- [ 26.089131][ T375] RIP: 0010:device_del+0xdf/0xf00 [ 26.094186][ T375] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 4b bf df fe 4c 89 7c 24 48 41 bf d0 00 00 00 48 89 5c 24 18 4c 03 3b 4d 89 fc 49 c1 ec 03 <43> 8a 04 2c 84 c0 0f 85 0d 0d 00 00 41 0f b6 1f 89 de 83 e6 01 31 [ 26.113793][ T375] RSP: 0018:ffffc9000099fb60 EFLAGS: 00010202 [ 26.119882][ T375] RAX: 1ffff11020cbe21a RBX: ffff8881065f10d0 RCX: ffff8881067b93c0 [ 26.127842][ T375] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000099fae0 [ 26.135849][ T375] RBP: ffffc9000099fc50 R08: dffffc0000000000 R09: fffff52000133f5d [ 26.143825][ T375] R10: fffff52000133f5d R11: 1ffff92000133f5c R12: 000000000000001a [ 26.151810][ T375] R13: dffffc0000000000 R14: ffff8881065f1108 R15: 00000000000000d0 [ 26.159778][ T375] FS: 0000555555e41300(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.168677][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.175285][ T375] CR2: 00007fbbcc39a7f0 CR3: 0000000106b98000 CR4: 00000000003506a0 [ 26.183698][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.191667][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.199642][ T375] Kernel panic - not syncing: Fatal exception [ 26.205841][ T375] Kernel Offset: disabled [ 26.210265][ T375] Rebooting in 86400 seconds..