./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3302194936
<...>
Warning: Permanently added '10.128.1.12' (ECDSA) to the list of known hosts.
execve("./syz-executor3302194936", ["./syz-executor3302194936"], 0x7fffcb2b8500 /* 10 vars */) = 0
brk(NULL) = 0x5555556bd000
brk(0x5555556bdc40) = 0x5555556bdc40
arch_prctl(ARCH_SET_FS, 0x5555556bd300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3302194936", 4096) = 28
brk(0x5555556dec40) = 0x5555556dec40
brk(0x5555556df000) = 0x5555556df000
mprotect(0x7f2ae9aec000, 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=0x5555556bd5d0) = 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, "78", 2) = 2
[pid 372] ioctl(3, LOOP_CTL_ADD, 12) = -1 EEXIST (File exists)
[pid 372] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 372] ioctl(5, LOOP_CTL_REMOVE, 12) = 12
[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=0x5555556bd5d0) = 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, "78", 2) = 2
[ 17.727586][ T23] audit: type=1400 audit(1657421879.189:73): avc: denied { execmem } for pid=371 comm="syz-executor330" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 17.733175][ T23] audit: type=1400 audit(1657421879.199:74): avc: denied { read } for pid=372 comm="syz-executor330" 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
[ 17.736764][ T23] audit: type=1400 audit(1657421879.199:75): avc: denied { open } for pid=372 comm="syz-executor330" 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
[ 17.740958][ T23] audit: type=1400 audit(1657421879.209:76): avc: denied { ioctl } for pid=372 comm="syz-executor330" 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
[ 17.784597][ T375] FAULT_INJECTION: forcing a failure.
[ 17.784597][ T375] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[ 17.798013][ T375] CPU: 0 PID: 375 Comm: syz-executor330 Not tainted 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 17.808244][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 17.818286][ T375] Call Trace:
[ 17.821567][ T375] dump_stack_lvl+0x1e2/0x24b
[ 17.826218][ T375] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 17.831647][ T375] ? stack_depot_save+0x433/0x4a0
[ 17.836645][ T375] dump_stack+0x15/0x17
[ 17.840774][ T375] should_fail+0x3c0/0x510
[ 17.845165][ T375] should_fail_alloc_page+0x50/0x60
[ 17.850336][ T375] __alloc_pages_nodemask+0x1c0/0x890
[ 17.855693][ T375] ? loop_add+0x58f/0x760
[ 17.860010][ T375] ? loop_control_ioctl+0x564/0x740
[ 17.865191][ T375] ? __se_sys_ioctl+0x115/0x190
[ 17.870018][ T375] ? gfp_pfmemalloc_allowed+0x120/0x120
[ 17.875539][ T375] ? __kasan_check_write+0x14/0x20
[ 17.880624][ T375] ? lockref_get+0x1b3/0x2a0
[ 17.885186][ T375] ? __kasan_check_write+0x14/0x20
[ 17.890272][ T375] __get_free_pages+0xe/0x30
[ 17.894838][ T375] selinux_genfs_get_sid+0x56/0x250
[ 17.900030][ T375] inode_doinit_with_dentry+0x858/0x1030
[ 17.905635][ T375] ? sb_finish_set_opts+0x7f0/0x7f0
[ 17.910806][ T375] ? current_time+0x1c4/0x310
[ 17.915461][ T375] selinux_d_instantiate+0x27/0x40
[ 17.920550][ T375] security_d_instantiate+0xa5/0x100
[ 17.925808][ T375] d_instantiate+0x55/0x90
[ 17.930197][ T375] __debugfs_create_file+0x2d7/0x4a0
[ 17.935473][ T375] ? up_write+0x19/0xd0
[ 17.939601][ T375] debugfs_create_file+0x4a/0x60
[ 17.944512][ T375] bdi_register_va+0x2ab/0x600
[ 17.949251][ T375] bdi_register+0xd1/0x120
[ 17.953642][ T375] ? __device_add_disk+0x536/0x11d0
[ 17.958813][ T375] ? bdi_register_va+0x600/0x600
[ 17.963724][ T375] ? vsnprintf+0x1bfd/0x1cd0
[ 17.968296][ T375] ? __kasan_check_read+0x11/0x20
[ 17.973300][ T375] ? blk_alloc_devt+0xd4/0x320
[ 17.978038][ T375] __device_add_disk+0x5cb/0x11d0
[ 17.983051][ T375] ? device_add_disk+0x40/0x40
[ 17.987788][ T375] ? loop_add+0x3f0/0x760
[ 17.992090][ T375] ? vsprintf+0x40/0x40
[ 17.996221][ T375] device_add_disk+0x2a/0x40
[ 18.000781][ T375] loop_add+0x58f/0x760
[ 18.004906][ T375] loop_control_ioctl+0x564/0x740
[ 18.009899][ T375] ? loop_remove+0xb0/0xb0
[ 18.014293][ T375] ? _raw_spin_unlock_irq+0x4e/0x70
[ 18.019467][ T375] ? ptrace_notify+0x248/0x340
[ 18.024202][ T375] ? do_notify_parent+0xa60/0xa60
[ 18.029206][ T375] ? __fpregs_load_activate+0x1e7/0x370
[ 18.034729][ T375] ? security_file_ioctl+0xb1/0xd0
[ 18.039813][ T375] ? loop_remove+0xb0/0xb0
[ 18.044211][ T375] __se_sys_ioctl+0x115/0x190
[ 18.048860][ T375] __x64_sys_ioctl+0x7b/0x90
[ 18.053421][ T375] do_syscall_64+0x34/0x70
[ 18.057822][ T375] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 18.063696][ T375] RIP: 0033:0x7f2ae9a7f0b9
[pid 375] ioctl(3, LOOP_CTL_ADD, 12) = 12
[pid 375] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[ 18.068085][ 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
[ 18.087678][ T375] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 18.096176][ T375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 18.104119][ T375] RDX: 000000000000000c RSI: 0000000000004c80 RDI: 0000000000000003
[ 18.112067][ T375] RBP: 00007ffe5b36fd00 R08: 0000000000000002 R09: 0000000000000001
[ 18.120014][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 18.127960][ T375] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[pid 375] ioctl(5, LOOP_CTL_REMOVE, 12) = 12
[pid 375] exit_group(0) = ?
[pid 375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 376 attached
, child_tidptr=0x5555556bd5d0) = 376
[pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 376] setpgid(0, 0) = 0
[pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 376] write(3, "1000", 4) = 4
[pid 376] close(3) = 0
[pid 376] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 376] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 376] write(4, "78", 2) = 2
[ 18.193328][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 18.202561][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 18.211693][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 18.213068][ T376] FAULT_INJECTION: forcing a failure.
[ 18.213068][ T376] name failslab, interval 1, probability 0, space 0, times 1
[ 18.221957][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 18.233210][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Not tainted 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 18.252186][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 18.262220][ T376] Call Trace:
[ 18.265497][ T376] dump_stack_lvl+0x1e2/0x24b
[ 18.270167][ T376] ? bfq_pos_tree_add_move+0x43e/0x43e
[ 18.275609][ T376] ? selinux_kernfs_init_security+0x1a8/0x760
[ 18.282170][ T376] dump_stack+0x15/0x17
[ 18.286299][ T376] should_fail+0x3c0/0x510
[ 18.290693][ T376] ? __kernfs_new_node+0x99/0x6e0
[ 18.295698][ T376] __should_failslab+0x9f/0xe0
[ 18.300481][ T376] should_failslab+0x9/0x20
[ 18.304975][ T376] __kmalloc_track_caller+0x5f/0x350
[ 18.310244][ T376] ? __radix_tree_preload+0x361/0x3e0
[ 18.315594][ T376] kstrdup_const+0x55/0x90
[ 18.319988][ T376] __kernfs_new_node+0x99/0x6e0
[ 18.324812][ T376] ? kernfs_activate+0x409/0x420
[ 18.329723][ T376] ? __kasan_check_write+0x14/0x20
[ 18.334809][ T376] ? mutex_lock+0xa6/0x110
[ 18.339208][ T376] ? kernfs_new_node+0x170/0x170
[ 18.344228][ T376] ? __kasan_check_write+0x14/0x20
[ 18.349329][ T376] ? mutex_unlock+0x1d/0x40
[ 18.353803][ T376] ? kernfs_activate+0x409/0x420
[ 18.358715][ T376] kernfs_new_node+0x97/0x170
[ 18.363371][ T376] kernfs_create_link+0xb8/0x210
[ 18.368293][ T376] sysfs_do_create_link_sd+0x89/0x110
[ 18.373639][ T376] sysfs_create_link+0x68/0x80
[ 18.378376][ T376] device_add_class_symlinks+0x222/0x2a0
[ 18.383980][ T376] device_add+0x4c3/0xbd0
[ 18.388285][ T376] __device_add_disk+0x77d/0x11d0
[ 18.393282][ T376] ? device_add_disk+0x40/0x40
[ 18.398021][ T376] ? vsprintf+0x40/0x40
[ 18.402172][ T376] device_add_disk+0x2a/0x40
[ 18.406733][ T376] loop_add+0x58f/0x760
[ 18.410861][ T376] loop_control_ioctl+0x564/0x740
[ 18.415865][ T376] ? loop_remove+0xb0/0xb0
[ 18.420260][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 18.425438][ T376] ? ptrace_notify+0x248/0x340
[ 18.430314][ T376] ? do_notify_parent+0xa60/0xa60
[ 18.435313][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 18.440846][ T376] ? security_file_ioctl+0xb1/0xd0
[ 18.446044][ T376] ? loop_remove+0xb0/0xb0
[ 18.450444][ T376] __se_sys_ioctl+0x115/0x190
[ 18.455099][ T376] __x64_sys_ioctl+0x7b/0x90
[ 18.459664][ T376] do_syscall_64+0x34/0x70
[ 18.464056][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 18.470009][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 18.474399][ T376] 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
[ 18.493979][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 18.502370][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 18.510320][ T376] RDX: 000000000000000c RSI: 0000000000004c80 RDI: 0000000000000003
[ 18.518266][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000002 R09: 0000000000000001
[ 18.526213][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 18.534158][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 18.542204][ T376] kobject_add_internal failed for queue (error: -2 parent: loop12)
[ 18.550131][ T376] ------------[ cut here ]------------
[ 18.555573][ T376] WARNING: CPU: 0 PID: 376 at fs/sysfs/file.c:328 sysfs_create_files+0x215/0x4a0
[ 18.564670][ T376] Modules linked in:
[ 18.568571][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Not tainted 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 18.578807][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 18.588864][ T376] RIP: 0010:sysfs_create_files+0x215/0x4a0
[ 18.594642][ T376] 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 0b c9 9a ff <0f> 0b c7 44 24 04 ea ff ff ff 48 b9 00 00 00 00 00 fc ff df 48 8b
[ 18.614256][ T376] RSP: 0018:ffffc90000b27ae0 EFLAGS: 00010293
[ 18.620340][ T376] RAX: ffffffff81d1ea61 RBX: ffff888104d92098 RCX: ffff88810659bb40
[ 18.628402][ T376] RDX: 0000000000000000 RSI: ffffffff86539560 RDI: ffff888104d92068
[ 18.636380][ T376] RBP: ffffc90000b27bb0 R08: ffffffff826bc128 R09: ffffed10209b97b2
[ 18.644401][ T376] R10: ffffed10209b97b2 R11: 1ffff110209b97b1 R12: 0000000000000000
[ 18.652418][ T376] R13: ffffffff85430660 R14: ffff888104d92068 R15: ffffffff86539560
[ 18.660408][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 18.669355][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.675926][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 18.683907][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 18.691887][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 18.699859][ T376] Call Trace:
[ 18.703143][ T376] ? sysfs_create_file_ns+0x2a0/0x2a0
[ 18.708514][ T376] ? __kasan_check_write+0x14/0x20
[ 18.713607][ T376] ? kobject_get+0xd2/0x120
[ 18.718082][ T376] __device_add_disk+0x9cb/0x11d0
[ 18.723109][ T376] ? device_add_disk+0x40/0x40
[ 18.727868][ T376] ? vsprintf+0x40/0x40
[ 18.732051][ T376] device_add_disk+0x2a/0x40
[ 18.736636][ T376] loop_add+0x58f/0x760
[ 18.740800][ T376] loop_control_ioctl+0x564/0x740
[ 18.745821][ T376] ? loop_remove+0xb0/0xb0
[ 18.750246][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 18.755431][ T376] ? ptrace_notify+0x248/0x340
[ 18.760202][ T376] ? do_notify_parent+0xa60/0xa60
[ 18.765215][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 18.770758][ T376] ? security_file_ioctl+0xb1/0xd0
[ 18.775862][ T376] ? loop_remove+0xb0/0xb0
[ 18.780571][ T376] __se_sys_ioctl+0x115/0x190
[ 18.785237][ T376] __x64_sys_ioctl+0x7b/0x90
[ 18.789844][ T376] do_syscall_64+0x34/0x70
[ 18.794247][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 18.800139][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 18.804542][ T376] 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
[ 18.824167][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 18.832591][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 18.840563][ T376] RDX: 000000000000000c RSI: 0000000000004c80 RDI: 0000000000000003
[ 18.848538][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000002 R09: 0000000000000001
[ 18.856488][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 18.864461][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 18.872455][ T376] ---[ end trace ab9e6fe867895917 ]---
[ 18.878067][ T376] ------------[ cut here ]------------
[ 18.883516][ T376] kernfs: can not remove 'events', no directory
[ 18.889799][ T376] WARNING: CPU: 0 PID: 376 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90
[ 18.899945][ T376] Modules linked in:
[ 18.903845][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 18.915472][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 18.925547][ T376] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90
[ 18.931702][ T376] Code: 48 89 c3 e8 5d 27 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 4c 27 9b ff 48 c7 c7 80 0c 2d 85 4c 89 fe 31 c0 e8 bb 60 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 2d 27 9b ff bb fe ff ff ff 48 c7 c7
[ 18.951303][ T376] RSP: 0018:ffffc90000b27ab8 EFLAGS: 00010246
[ 18.957360][ T376] RAX: 62caa972655c5100 RBX: 0000000000000000 RCX: ffff88810659bb40
[ 18.965358][ T376] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 18.973355][ T376] RBP: ffffc90000b27ad0 R08: ffffffff8153aa68 R09: ffffed103ee0a5d8
[ 18.981327][ T376] R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: ffffffff86539560
[ 18.989315][ T376] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff85430640
[ 18.997260][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 19.006327][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.012920][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 19.020895][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 19.028869][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 19.037159][ T376] Call Trace:
[ 19.040482][ T376] sysfs_create_files+0x40a/0x4a0
[ 19.045516][ T376] ? sysfs_create_file_ns+0x2a0/0x2a0
[ 19.050889][ T376] ? __kasan_check_write+0x14/0x20
[ 19.056010][ T376] ? kobject_get+0xd2/0x120
[ 19.060516][ T376] __device_add_disk+0x9cb/0x11d0
[ 19.065533][ T376] ? device_add_disk+0x40/0x40
[ 19.070310][ T376] ? vsprintf+0x40/0x40
[ 19.074465][ T376] device_add_disk+0x2a/0x40
[ 19.079052][ T376] loop_add+0x58f/0x760
[ 19.083203][ T376] loop_control_ioctl+0x564/0x740
[ 19.088230][ T376] ? loop_remove+0xb0/0xb0
[ 19.092625][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 19.097798][ T376] ? ptrace_notify+0x248/0x340
[ 19.102573][ T376] ? do_notify_parent+0xa60/0xa60
[ 19.107598][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 19.113150][ T376] ? security_file_ioctl+0xb1/0xd0
[ 19.118262][ T376] ? loop_remove+0xb0/0xb0
[ 19.122653][ T376] __se_sys_ioctl+0x115/0x190
[ 19.127303][ T376] __x64_sys_ioctl+0x7b/0x90
[ 19.131913][ T376] do_syscall_64+0x34/0x70
[ 19.136333][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 19.142222][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 19.146637][ T376] 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
[ 19.166265][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.174676][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 19.182644][ T376] RDX: 000000000000000c RSI: 0000000000004c80 RDI: 0000000000000003
[pid 376] ioctl(3, LOOP_CTL_ADD, 12) = 12
[pid 376] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[ 19.190610][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000002 R09: 0000000000000001
[ 19.198576][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 19.206533][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 19.214511][ T376] ---[ end trace ab9e6fe867895918 ]---
[ 19.219970][ T376] loop12: failed to create sysfs files for events
[ 19.226732][ T376] ------------[ cut here ]------------
[ 19.232248][ T376] kernfs: can not remove 'events', no directory
[ 19.232339][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
[ 19.238576][ T376] WARNING: CPU: 0 PID: 376 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90
[ 19.256830][ T376] Modules linked in:
[ 19.260743][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 19.272456][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 19.282537][ T376] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90
[ 19.288699][ T376] Code: 48 89 c3 e8 5d 27 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 4c 27 9b ff 48 c7 c7 80 0c 2d 85 4c 89 fe 31 c0 e8 bb 60 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 2d 27 9b ff bb fe ff ff ff 48 c7 c7
[ 19.308315][ T376] RSP: 0018:ffffc90000b27bf8 EFLAGS: 00010246
[ 19.314395][ T376] RAX: 62caa972655c5100 RBX: 0000000000000000 RCX: ffff88810659bb40
[ 19.322389][ T376] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 19.330382][ T376] RBP: ffffc90000b27c10 R08: ffffffff8153aa68 R09: 0000000000000003
[ 19.338366][ T376] R10: fffff52000164ecd R11: 1ffff92000164ecc R12: 0000000000000000
[ 19.346335][ T376] R13: ffffffff86539560 R14: 0000000000000000 R15: ffffffff85430640
[ 19.354487][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 19.363430][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.370014][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 19.377980][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 19.385965][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 19.393946][ T376] Call Trace:
[ 19.397216][ T376] sysfs_remove_files+0xab/0x110
[ 19.402159][ T376] del_gendisk+0x278/0xe20
[ 19.406569][ T376] ? device_add_disk_no_queue_reg+0x30/0x30
[ 19.412463][ T376] ? __radix_tree_delete+0x2ba/0x380
[ 19.417750][ T376] ? radix_tree_delete_item+0x261/0x360
[ 19.423302][ T376] loop_remove+0x46/0xb0
[ 19.427525][ T376] loop_control_ioctl+0x67f/0x740
[ 19.432545][ T376] ? loop_remove+0xb0/0xb0
[ 19.436953][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 19.442166][ T376] ? ptrace_notify+0x248/0x340
[ 19.446917][ T376] ? do_notify_parent+0xa60/0xa60
[ 19.451959][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 19.457959][ T376] ? security_file_ioctl+0xb1/0xd0
[ 19.463077][ T376] ? loop_remove+0xb0/0xb0
[ 19.467481][ T376] __se_sys_ioctl+0x115/0x190
[ 19.472158][ T376] __x64_sys_ioctl+0x7b/0x90
[ 19.476740][ T376] do_syscall_64+0x34/0x70
[ 19.481154][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 19.487038][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 19.491451][ T376] 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
[ 19.511065][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.519478][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 19.527439][ T376] RDX: 000000000000000c RSI: 0000000000004c81 RDI: 0000000000000005
[ 19.535413][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000001 R09: 0000000000000001
[ 19.543383][ T376] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
[ 19.551354][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 19.559328][ T376] ---[ end trace ab9e6fe867895919 ]---
[ 19.564760][ T376] ------------[ cut here ]------------
[ 19.570225][ T376] kernfs: can not remove 'events_async', no directory
[ 19.577190][ T376] WARNING: CPU: 0 PID: 376 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90
[ 19.586732][ T376] Modules linked in:
[ 19.590649][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 19.602367][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 19.612447][ T376] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90
[ 19.618608][ T376] Code: 48 89 c3 e8 5d 27 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 4c 27 9b ff 48 c7 c7 80 0c 2d 85 4c 89 fe 31 c0 e8 bb 60 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 2d 27 9b ff bb fe ff ff ff 48 c7 c7
[ 19.638227][ T376] RSP: 0018:ffffc90000b27bf8 EFLAGS: 00010246
[ 19.644275][ T376] RAX: 62caa972655c5100 RBX: 0000000000000000 RCX: ffff88810659bb40
[ 19.652248][ T376] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 19.660216][ T376] RBP: ffffc90000b27c10 R08: ffffffff8153aa68 R09: ffffed103ee04e83
[ 19.668164][ T376] R10: ffffed103ee04e83 R11: 1ffff1103ee04e82 R12: 0000000000000000
[ 19.676166][ T376] R13: ffffffff86539560 R14: 0000000000000000 R15: ffffffff85430720
[ 19.684159][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 19.693095][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.699692][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 19.707649][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 19.715635][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 19.723605][ T376] Call Trace:
[ 19.726876][ T376] sysfs_remove_files+0xab/0x110
[ 19.731821][ T376] del_gendisk+0x278/0xe20
[ 19.736229][ T376] ? device_add_disk_no_queue_reg+0x30/0x30
[ 19.742138][ T376] ? __radix_tree_delete+0x2ba/0x380
[ 19.747413][ T376] ? radix_tree_delete_item+0x261/0x360
[ 19.752981][ T376] loop_remove+0x46/0xb0
[ 19.757214][ T376] loop_control_ioctl+0x67f/0x740
[ 19.762238][ T376] ? loop_remove+0xb0/0xb0
[ 19.766665][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 19.771859][ T376] ? ptrace_notify+0x248/0x340
[ 19.776610][ T376] ? do_notify_parent+0xa60/0xa60
[ 19.781634][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 19.787169][ T376] ? security_file_ioctl+0xb1/0xd0
[ 19.792289][ T376] ? loop_remove+0xb0/0xb0
[ 19.796709][ T376] __se_sys_ioctl+0x115/0x190
[ 19.801395][ T376] __x64_sys_ioctl+0x7b/0x90
[ 19.805981][ T376] do_syscall_64+0x34/0x70
[ 19.810408][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 19.816284][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 19.820705][ T376] 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
[ 19.840319][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 19.848776][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 19.856744][ T376] RDX: 000000000000000c RSI: 0000000000004c81 RDI: 0000000000000005
[ 19.864713][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000001 R09: 0000000000000001
[ 19.872681][ T376] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
[ 19.880668][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 19.888657][ T376] ---[ end trace ab9e6fe86789591a ]---
[ 19.894085][ T376] ------------[ cut here ]------------
[ 19.899533][ T376] kernfs: can not remove 'events_poll_msecs', no directory
[ 19.906754][ T376] WARNING: CPU: 0 PID: 376 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90
[ 19.916315][ T376] Modules linked in:
[ 19.920233][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 19.931854][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 19.941915][ T376] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90
[ 19.948052][ T376] Code: 48 89 c3 e8 5d 27 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 4c 27 9b ff 48 c7 c7 80 0c 2d 85 4c 89 fe 31 c0 e8 bb 60 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 2d 27 9b ff bb fe ff ff ff 48 c7 c7
[ 19.967661][ T376] RSP: 0018:ffffc90000b27bf8 EFLAGS: 00010246
[ 19.973738][ T376] RAX: 62caa972655c5100 RBX: 0000000000000000 RCX: ffff88810659bb40
[ 19.981715][ T376] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 19.989682][ T376] RBP: ffffc90000b27c10 R08: ffffffff8153aa68 R09: ffffed103ee0a5d8
[ 19.997628][ T376] R10: ffffed103ee0a5d8 R11: 1ffff1103ee0a5d7 R12: 0000000000000000
[ 20.005608][ T376] R13: ffffffff86539560 R14: 0000000000000000 R15: ffffffff85430780
[ 20.013591][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.022516][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.029106][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 20.037062][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.045045][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.053017][ T376] Call Trace:
[ 20.056286][ T376] sysfs_remove_files+0xab/0x110
[ 20.061238][ T376] del_gendisk+0x278/0xe20
[ 20.065646][ T376] ? device_add_disk_no_queue_reg+0x30/0x30
[ 20.071538][ T376] ? __radix_tree_delete+0x2ba/0x380
[ 20.076811][ T376] ? radix_tree_delete_item+0x261/0x360
[ 20.082370][ T376] loop_remove+0x46/0xb0
[ 20.086595][ T376] loop_control_ioctl+0x67f/0x740
[ 20.091619][ T376] ? loop_remove+0xb0/0xb0
[ 20.096018][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 20.101211][ T376] ? ptrace_notify+0x248/0x340
[ 20.105961][ T376] ? do_notify_parent+0xa60/0xa60
[ 20.110980][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 20.116512][ T376] ? security_file_ioctl+0xb1/0xd0
[ 20.121625][ T376] ? loop_remove+0xb0/0xb0
[ 20.126028][ T376] __se_sys_ioctl+0x115/0x190
[ 20.130722][ T376] __x64_sys_ioctl+0x7b/0x90
[ 20.135304][ T376] do_syscall_64+0x34/0x70
[ 20.139730][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 20.145607][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 20.150016][ T376] 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
[ 20.169625][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 20.178011][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 20.186012][ T376] RDX: 000000000000000c RSI: 0000000000004c81 RDI: 0000000000000005
[ 20.193985][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000001 R09: 0000000000000001
[ 20.201959][ T376] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
[ 20.209930][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 20.217885][ T376] ---[ end trace ab9e6fe86789591b ]---
[ 20.223383][ T376] ------------[ cut here ]------------
[ 20.228846][ T376] kernfs: can not remove 'bdi', no directory
[ 20.234849][ T376] WARNING: CPU: 0 PID: 376 at fs/kernfs/dir.c:1508 kernfs_remove_by_name_ns+0x65/0x90
[ 20.244389][ T376] Modules linked in:
[ 20.248324][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 20.260035][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 20.270104][ T376] RIP: 0010:kernfs_remove_by_name_ns+0x65/0x90
[ 20.276281][ T376] Code: 48 89 c3 e8 5d 27 9b ff 48 89 df e8 c5 ee ff ff 31 db eb 29 e8 4c 27 9b ff 48 c7 c7 80 0c 2d 85 4c 89 fe 31 c0 e8 bb 60 6d ff <0f> 0b bb fe ff ff ff eb 16 e8 2d 27 9b ff bb fe ff ff ff 48 c7 c7
[ 20.295911][ T376] RSP: 0018:ffffc90000b27c18 EFLAGS: 00010246
[ 20.302020][ T376] RAX: 62caa972655c5100 RBX: 0000000000000000 RCX: ffff88810659bb40
[ 20.310007][ T376] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 20.318015][ T376] RBP: ffffc90000b27c30 R08: ffffffff8153aa68 R09: ffffed103ee04e83
[ 20.326001][ T376] R10: ffffed103ee04e83 R11: 1ffff1103ee04e82 R12: 0000000000000240
[ 20.333971][ T376] R13: ffff888104d92030 R14: 0000000000000000 R15: ffffffff85430020
[ 20.341947][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.350897][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.357472][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 20.365476][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.373467][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.381458][ T376] Call Trace:
[ 20.384745][ T376] sysfs_remove_link+0x50/0x60
[ 20.389519][ T376] del_gendisk+0x7cd/0xe20
[ 20.393932][ T376] ? device_add_disk_no_queue_reg+0x30/0x30
[ 20.399829][ T376] ? __radix_tree_delete+0x2ba/0x380
[ 20.405100][ T376] ? radix_tree_delete_item+0x261/0x360
[ 20.410671][ T376] loop_remove+0x46/0xb0
[ 20.414933][ T376] loop_control_ioctl+0x67f/0x740
[ 20.419975][ T376] ? loop_remove+0xb0/0xb0
[ 20.424388][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 20.429590][ T376] ? ptrace_notify+0x248/0x340
[ 20.434350][ T376] ? do_notify_parent+0xa60/0xa60
[ 20.439380][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 20.444975][ T376] ? security_file_ioctl+0xb1/0xd0
[ 20.450105][ T376] ? loop_remove+0xb0/0xb0
[ 20.454526][ T376] __se_sys_ioctl+0x115/0x190
[ 20.459208][ T376] __x64_sys_ioctl+0x7b/0x90
[ 20.463788][ T376] do_syscall_64+0x34/0x70
[ 20.468212][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 20.474092][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 20.478522][ T376] 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
[ 20.498154][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 20.506576][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 20.514557][ T376] RDX: 000000000000000c RSI: 0000000000004c81 RDI: 0000000000000005
[ 20.522536][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000001 R09: 0000000000000001
[ 20.530521][ T376] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
[ 20.538504][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 20.546476][ T376] ---[ end trace ab9e6fe86789591c ]---
[ 20.552244][ T376] general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN
[ 20.563947][ T376] KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7]
[ 20.572332][ T376] CPU: 0 PID: 376 Comm: syz-executor330 Tainted: G W 5.10.118-syzkaller-00163-gfa7f6a5f56d9 #0
[ 20.583944][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
[ 20.593982][ T376] RIP: 0010:device_del+0xdf/0xf00
[ 20.598985][ T376] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 9b 16 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
[ 20.618564][ T376] RSP: 0018:ffffc90000b27b60 EFLAGS: 00010202
[ 20.624604][ T376] RAX: 1ffff110209b241a RBX: ffff888104d920d0 RCX: ffffffff8492a346
[ 20.632552][ T376] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000b27ae0
[ 20.640498][ T376] RBP: ffffc90000b27c50 R08: dffffc0000000000 R09: fffff52000164f5d
[ 20.648447][ T376] R10: fffff52000164f5d R11: 1ffff92000164f5c R12: 000000000000001a
[ 20.656397][ T376] R13: dffffc0000000000 R14: ffff888104d92108 R15: 00000000000000d0
[ 20.664345][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.673249][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.679812][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 20.687759][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.695704][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.703644][ T376] Call Trace:
[ 20.706911][ T376] ? _raw_spin_lock_irqsave+0x210/0x210
[ 20.712452][ T376] ? kernfs_name_hash+0x1f9/0x240
[ 20.717469][ T376] ? kill_device+0xd0/0xd0
[ 20.721877][ T376] ? mutex_unlock+0x1d/0x40
[ 20.726359][ T376] del_gendisk+0xbf2/0xe20
[ 20.730754][ T376] ? device_add_disk_no_queue_reg+0x30/0x30
[ 20.736630][ T376] ? __radix_tree_delete+0x2ba/0x380
[ 20.741898][ T376] ? radix_tree_delete_item+0x261/0x360
[ 20.747525][ T376] loop_remove+0x46/0xb0
[ 20.751754][ T376] loop_control_ioctl+0x67f/0x740
[ 20.756750][ T376] ? loop_remove+0xb0/0xb0
[ 20.761140][ T376] ? _raw_spin_unlock_irq+0x4e/0x70
[ 20.766341][ T376] ? ptrace_notify+0x248/0x340
[ 20.771193][ T376] ? do_notify_parent+0xa60/0xa60
[ 20.776193][ T376] ? __fpregs_load_activate+0x1e7/0x370
[ 20.781711][ T376] ? security_file_ioctl+0xb1/0xd0
[ 20.786791][ T376] ? loop_remove+0xb0/0xb0
[ 20.791180][ T376] __se_sys_ioctl+0x115/0x190
[ 20.795829][ T376] __x64_sys_ioctl+0x7b/0x90
[ 20.800401][ T376] do_syscall_64+0x34/0x70
[ 20.804793][ T376] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 20.810661][ T376] RIP: 0033:0x7f2ae9a7f0b9
[ 20.815052][ T376] 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
[ 20.834633][ T376] RSP: 002b:00007ffe5b36fce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 20.843021][ T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ae9a7f0b9
[ 20.851836][ T376] RDX: 000000000000000c RSI: 0000000000004c81 RDI: 0000000000000005
[ 20.859781][ T376] RBP: 00007ffe5b36fd00 R08: 0000000000000001 R09: 0000000000000001
[ 20.867727][ T376] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
[ 20.875671][ T376] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 20.883617][ T376] Modules linked in:
[ 20.887678][ T376] ---[ end trace ab9e6fe86789591d ]---
[ 20.893259][ T376] RIP: 0010:device_del+0xdf/0xf00
[ 20.898339][ T376] Code: 20 42 80 3c 28 00 74 08 48 89 df e8 9b 16 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
[ 20.918000][ T376] RSP: 0018:ffffc90000b27b60 EFLAGS: 00010202
[ 20.924063][ T376] RAX: 1ffff110209b241a RBX: ffff888104d920d0 RCX: ffffffff8492a346
[ 20.932034][ T376] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc90000b27ae0
[ 20.939999][ T376] RBP: ffffc90000b27c50 R08: dffffc0000000000 R09: fffff52000164f5d
[ 20.947947][ T376] R10: fffff52000164f5d R11: 1ffff92000164f5c R12: 000000000000001a
[ 20.955927][ T376] R13: dffffc0000000000 R14: ffff888104d92108 R15: 00000000000000d0
[ 20.963997][ T376] FS: 00005555556bd300(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 20.972945][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.979519][ T376] CR2: 00007f2ae9ad7144 CR3: 0000000105fc4000 CR4: 00000000003506b0
[ 20.987482][ T376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.995469][ T376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 21.003433][ T376] Kernel panic - not syncing: Fatal exception
[ 21.009631][ T376] Kernel Offset: disabled
[ 21.013953][ T376] Rebooting in 86400 seconds..