./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor390424006

<...>
forked to background, child pid 3183
no interfa[   18.458474][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
ces have a carrier
[   18.470259][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts.
execve("./syz-executor390424006", ["./syz-executor390424006"], 0x7ffd3475e860 /* 10 vars */) = 0
brk(NULL)                               = 0x555556703000
brk(0x555556703c40)                     = 0x555556703c40
arch_prctl(ARCH_SET_FS, 0x555556703300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor390424006", 4096) = 27
brk(0x555556724c40)                     = 0x555556724c40
brk(0x555556725000)                     = 0x555556725000
mprotect(0x7f8850e30000, 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
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3612 attached
, child_tidptr=0x5555567035d0) = 3612
[pid  3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3612] setsid()                    = 1
[pid  3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3612] unshare(CLONE_NEWNS)        = 0
[pid  3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3612] unshare(CLONE_NEWIPC)       = 0
[pid  3612] unshare(CLONE_NEWCGROUP)    = 0
[pid  3612] unshare(CLONE_NEWUTS)       = 0
[pid  3612] unshare(CLONE_SYSVSEM)      = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "16777216", 8)     = 8
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "536870912", 9)    = 9
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "1024", 4)         = 4
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "8192", 4)         = 4
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "1024", 4)         = 4
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "1024", 4)         = 4
[pid  3612] close(3)                    = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3612] close(3)                    = 0
[pid  3612] getpid()                    = 1
[pid  3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  3612] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  3612] unshare(CLONE_NEWNET)       = 0
[pid  3612] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3612] write(3, "0 65535", 7)      = 7
[pid  3612] close(3)                    = 0
[pid  3612] mkdir("/dev/binderfs", 0777) = 0
[pid  3612] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3612] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3612] openat(AT_FDCWD, "/dev/dri/card0", O_RDONLY) = 3
[pid  3612] ioctl(3, DRM_IOCTL_MODE_CREATE_DUMB, 0x20000080) = 0
[pid  3612] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid  3612] write(4, "4", 1)            = 1
[pid  3612] mmap(0x20ffc000, 12328, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0x100000000) = -1 ENOMEM (Cannot allocate memory)
[pid  3612] exit_group(1)               = ?
syzkaller login: [   34.808964][ T3612] ==================================================================
[   34.817223][ T3612] BUG: KASAN: use-after-free in drm_gem_object_release_handle+0xa1/0xb0
[   34.825536][ T3612] Read of size 8 at addr ffff888021ad01e8 by task syz-executor390/3612
[   34.833770][ T3612] 
[   34.836077][ T3612] CPU: 0 PID: 3612 Comm: syz-executor390 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
[   34.846387][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   34.856683][ T3612] Call Trace:
[   34.859952][ T3612]  <TASK>
[   34.863042][ T3612]  dump_stack_lvl+0xcd/0x134
[   34.868448][ T3612]  print_report.cold+0x2ba/0x719
[   34.873366][ T3612]  ? drm_gem_object_release_handle+0xa1/0xb0
[   34.879427][ T3612]  kasan_report+0xb1/0x1e0
[   34.883932][ T3612]  ? drm_gem_object_release_handle+0xa1/0xb0
[   34.889989][ T3612]  drm_gem_object_release_handle+0xa1/0xb0
[   34.896156][ T3612]  ? drm_gem_object_handle_put_unlocked+0x390/0x390
[   34.903084][ T3612]  idr_for_each+0x113/0x220
[   34.907585][ T3612]  ? idr_find+0x50/0x50
[   34.911736][ T3612]  ? rwlock_bug.part.0+0x90/0x90
[   34.916669][ T3612]  ? wait_for_completion_io_timeout+0x20/0x20
[   34.922737][ T3612]  drm_gem_release+0x22/0x30
[   34.927319][ T3612]  drm_file_free+0x7bb/0xb90
[   34.932709][ T3612]  ? drm_close_helper.isra.0+0x16b/0x1e0
[   34.938336][ T3612]  drm_release+0x1a6/0x4d0
[   34.943101][ T3612]  __fput+0x27c/0xa90
[   34.947110][ T3612]  ? drm_lastclose+0xe0/0xe0
[   34.951707][ T3612]  task_work_run+0xdd/0x1a0
[   34.956217][ T3612]  do_exit+0xb2f/0x2a20
[   34.960365][ T3612]  ? lock_downgrade+0x6e0/0x6e0
[   34.965215][ T3612]  ? do_raw_spin_lock+0x120/0x2a0
[   34.970231][ T3612]  ? mm_update_next_owner+0x7a0/0x7a0
[   34.975592][ T3612]  ? rwlock_bug.part.0+0x90/0x90
[   34.980524][ T3612]  do_group_exit+0xd0/0x2a0
[   34.985104][ T3612]  __x64_sys_exit_group+0x3a/0x50
[   34.990119][ T3612]  do_syscall_64+0x35/0xb0
[   34.994533][ T3612]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   35.000418][ T3612] RIP: 0033:0x7f8850dc1eb9
[   35.004841][ T3612] Code: Unable to access opcode bytes at 0x7f8850dc1e8f.
[   35.011842][ T3612] RSP: 002b:00007ffc4f7393c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   35.020245][ T3612] RAX: ffffffffffffffda RBX: 00007f8850e363f0 RCX: 00007f8850dc1eb9
[   35.028208][ T3612] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   35.036169][ T3612] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000100000000
[   35.044337][ T3612] R10: 0000000000000012 R11: 0000000000000246 R12: 00007f8850e363f0
[   35.052296][ T3612] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   35.060259][ T3612]  </TASK>
[   35.063263][ T3612] 
[   35.065657][ T3612] Allocated by task 3612:
[   35.070139][ T3612]  kasan_save_stack+0x1e/0x40
[   35.074811][ T3612]  __kasan_kmalloc+0xa9/0xd0
[   35.079390][ T3612]  vgem_gem_create_object+0x38/0xb0
[   35.084664][ T3612]  __drm_gem_shmem_create+0x80/0x480
[   35.089948][ T3612]  drm_gem_shmem_dumb_create+0x13c/0x380
[   35.095593][ T3612]  drm_mode_create_dumb+0x26c/0x2f0
[   35.101391][ T3612]  drm_ioctl_kernel+0x27d/0x4e0
[   35.106232][ T3612]  drm_ioctl+0x3e2/0xa30
[   35.110463][ T3612]  __x64_sys_ioctl+0x193/0x200
[   35.115219][ T3612]  do_syscall_64+0x35/0xb0
[   35.119630][ T3612]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   35.125516][ T3612] 
[   35.127823][ T3612] Freed by task 3612:
[   35.131786][ T3612]  kasan_save_stack+0x1e/0x40
[   35.136458][ T3612]  kasan_set_track+0x21/0x30
[   35.141044][ T3612]  kasan_set_free_info+0x20/0x30
[   35.145983][ T3612]  ____kasan_slab_free+0x166/0x1c0
[   35.151085][ T3612]  slab_free_freelist_hook+0x8b/0x1c0
[   35.156445][ T3612]  kfree+0xe2/0x580
[   35.160242][ T3612]  drm_gem_mmap+0x4fc/0x770
[   35.164733][ T3612]  mmap_region+0xbff/0x1460
[   35.169234][ T3612]  do_mmap+0x863/0xfa0
[   35.173294][ T3612]  vm_mmap_pgoff+0x1ab/0x270
[   35.177872][ T3612]  ksys_mmap_pgoff+0x41b/0x5a0
[   35.182625][ T3612]  do_syscall_64+0x35/0xb0
[   35.187383][ T3612]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   35.193265][ T3612] 
[   35.195573][ T3612] The buggy address belongs to the object at ffff888021ad0000
[   35.195573][ T3612]  which belongs to the cache kmalloc-1k of size 1024
[   35.209612][ T3612] The buggy address is located 488 bytes inside of
[   35.209612][ T3612]  1024-byte region [ffff888021ad0000, ffff888021ad0400)
[   35.222973][ T3612] 
[   35.225293][ T3612] The buggy address belongs to the physical page:
[   35.231701][ T3612] page:ffffea000086b400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x21ad0
[   35.241847][ T3612] head:ffffea000086b400 order:3 compound_mapcount:0 compound_pincount:0
[   35.250262][ T3612] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[   35.258242][ T3612] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888011841dc0
[   35.266857][ T3612] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
[   35.275438][ T3612] page dumped because: kasan: bad access detected
[   35.281930][ T3612] page_owner tracks the page as allocated
[   35.287715][ T3612] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3612, tgid 3612 (syz-executor390), ts 34805813259, free_ts 34795031165
[   35.309600][ T3612]  get_page_from_freelist+0x109b/0x2ce0
[   35.315155][ T3612]  __alloc_pages+0x1c7/0x510
[   35.319748][ T3612]  alloc_pages+0x1a6/0x270
[   35.324161][ T3612]  allocate_slab+0x27e/0x3d0
[   35.328774][ T3612]  ___slab_alloc+0x84f/0xe80
[   35.333362][ T3612]  __slab_alloc.constprop.0+0x4d/0xa0
[   35.338909][ T3612]  kmem_cache_alloc_trace+0x323/0x3e0
[   35.344290][ T3612]  vgem_gem_create_object+0x38/0xb0
[   35.349488][ T3612]  __drm_gem_shmem_create+0x80/0x480
[   35.354772][ T3612]  drm_gem_shmem_dumb_create+0x13c/0x380
[   35.360406][ T3612]  drm_mode_create_dumb+0x26c/0x2f0
[   35.365601][ T3612]  drm_ioctl_kernel+0x27d/0x4e0
[   35.370447][ T3612]  drm_ioctl+0x3e2/0xa30
[   35.374683][ T3612]  __x64_sys_ioctl+0x193/0x200
[   35.379529][ T3612]  do_syscall_64+0x35/0xb0
[   35.383948][ T3612]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   35.389837][ T3612] page last free stack trace:
[   35.394497][ T3612]  free_pcp_prepare+0x5e4/0xd20
[   35.399347][ T3612]  free_unref_page+0x19/0x4d0
[   35.404028][ T3612]  __unfreeze_partials+0x17c/0x1a0
[   35.409404][ T3612]  qlist_free_all+0x6a/0x170
[   35.413988][ T3612]  kasan_quarantine_reduce+0x180/0x200
[   35.419611][ T3612]  __kasan_slab_alloc+0xa2/0xc0
[   35.424458][ T3612]  kmem_cache_alloc_trace+0x2c0/0x3e0
[   35.429828][ T3612]  kset_create_and_add+0x4b/0x1a0
[   35.434970][ T3612]  netdev_register_kobject+0x1c6/0x400
[   35.440426][ T3612]  register_netdevice+0xd95/0x1670
[   35.445619][ T3612]  __ip_tunnel_create+0x398/0x570
[   35.450644][ T3612]  ip_tunnel_init_net+0x2e8/0x9f0
[   35.455667][ T3612]  ops_init+0xaf/0x470
[   35.459738][ T3612]  setup_net+0x5d1/0xc50
[   35.463982][ T3612]  copy_net_ns+0x318/0x760
[   35.468392][ T3612]  create_new_namespaces+0x3f6/0xb20
[   35.473679][ T3612] 
[   35.475996][ T3612] Memory state around the buggy address:
[   35.481613][ T3612]  ffff888021ad0080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   35.489668][ T3612]  ffff888021ad0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   35.497717][ T3612] >ffff888021ad0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   35.505779][ T3612]                                                           ^
[   35.513234][ T3612]  ffff888021ad0200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   35.521289][ T3612]  ffff888021ad0280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   35.529338][ T3612] ==================================================================
[   35.537640][ T3612] Kernel panic - not syncing: panic_on_warn set ...
[   35.544497][ T3612] CPU: 0 PID: 3612 Comm: syz-executor390 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
[   35.554567][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   35.564623][ T3612] Call Trace:
[   35.567898][ T3612]  <TASK>
[   35.570821][ T3612]  dump_stack_lvl+0xcd/0x134
[   35.575408][ T3612]  panic+0x2c8/0x622
[   35.579304][ T3612]  ? panic_print_sys_info.part.0+0x10b/0x10b
[   35.585471][ T3612]  ? preempt_schedule_common+0x59/0xc0
[   35.590936][ T3612]  ? preempt_schedule_thunk+0x16/0x18
[   35.596314][ T3612]  ? drm_gem_object_release_handle+0xa1/0xb0
[   35.602300][ T3612]  end_report.part.0+0x3f/0x7c
[   35.607077][ T3612]  kasan_report.cold+0xa/0xf
[   35.611660][ T3612]  ? drm_gem_object_release_handle+0xa1/0xb0
[   35.617638][ T3612]  drm_gem_object_release_handle+0xa1/0xb0
[   35.623450][ T3612]  ? drm_gem_object_handle_put_unlocked+0x390/0x390
[   35.630036][ T3612]  idr_for_each+0x113/0x220
[   35.634713][ T3612]  ? idr_find+0x50/0x50
[   35.638862][ T3612]  ? rwlock_bug.part.0+0x90/0x90
[   35.643800][ T3612]  ? wait_for_completion_io_timeout+0x20/0x20
[   35.649962][ T3612]  drm_gem_release+0x22/0x30
[   35.654633][ T3612]  drm_file_free+0x7bb/0xb90
[   35.659214][ T3612]  ? drm_close_helper.isra.0+0x16b/0x1e0
[   35.664840][ T3612]  drm_release+0x1a6/0x4d0
[   35.669251][ T3612]  __fput+0x27c/0xa90
[   35.673232][ T3612]  ? drm_lastclose+0xe0/0xe0
[   35.677813][ T3612]  task_work_run+0xdd/0x1a0
[   35.682783][ T3612]  do_exit+0xb2f/0x2a20
[   35.687020][ T3612]  ? lock_downgrade+0x6e0/0x6e0
[   35.691951][ T3612]  ? do_raw_spin_lock+0x120/0x2a0
[   35.696972][ T3612]  ? mm_update_next_owner+0x7a0/0x7a0
[   35.702337][ T3612]  ? rwlock_bug.part.0+0x90/0x90
[   35.707274][ T3612]  do_group_exit+0xd0/0x2a0
[   35.711769][ T3612]  __x64_sys_exit_group+0x3a/0x50
[   35.716786][ T3612]  do_syscall_64+0x35/0xb0
[   35.721200][ T3612]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   35.727094][ T3612] RIP: 0033:0x7f8850dc1eb9
[   35.731500][ T3612] Code: Unable to access opcode bytes at 0x7f8850dc1e8f.
[   35.738505][ T3612] RSP: 002b:00007ffc4f7393c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   35.746914][ T3612] RAX: ffffffffffffffda RBX: 00007f8850e363f0 RCX: 00007f8850dc1eb9
[   35.754878][ T3612] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   35.762853][ T3612] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000100000000
[   35.770818][ T3612] R10: 0000000000000012 R11: 0000000000000246 R12: 00007f8850e363f0
[   35.778781][ T3612] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   35.786750][ T3612]  </TASK>
[   35.790447][ T3612] Kernel Offset: disabled
[   35.794767][ T3612] Rebooting in 86400 seconds..