./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3604681500
<...>
Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts.
execve("./syz-executor3604681500", ["./syz-executor3604681500"], 0x7ffd17daf3a0 /* 10 vars */) = 0
brk(NULL) = 0x55559552d000
brk(0x55559552dd00) = 0x55559552dd00
arch_prctl(ARCH_SET_FS, 0x55559552d380) = 0
set_tid_address(0x55559552d650) = 5084
set_robust_list(0x55559552d660, 24) = 0
rseq(0x55559552dca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3604681500", 4096) = 28
getrandom("\xe1\xc8\x4f\xe3\xe1\x68\xcd\xf6", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55559552dd00
brk(0x55559554ed00) = 0x55559554ed00
brk(0x55559554f000) = 0x55559554f000
mprotect(0x7f7804f67000, 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
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559552d650) = 5085
./strace-static-x86_64: Process 5085 attached
[pid 5085] set_robust_list(0x55559552d660, 24) = 0
[pid 5085] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5085] setsid() = 1
[pid 5085] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 5085] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 5085] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 5085] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 5085] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 5085] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 5085] unshare(CLONE_NEWNS) = 0
[pid 5085] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 5085] unshare(CLONE_NEWIPC) = 0
[pid 5085] unshare(CLONE_NEWCGROUP) = 0
[pid 5085] unshare(CLONE_NEWUTS) = 0
[pid 5085] unshare(CLONE_SYSVSEM) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "16777216", 8) = 8
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "536870912", 9) = 9
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1024", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "8192", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1024", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1024", 4) = 4
[pid 5085] close(3) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "1024 1048576 500 1024", 21) = 21
[pid 5085] close(3) = 0
[pid 5085] getpid() = 1
[pid 5085] 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 5085] 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 5085] unshare(CLONE_NEWNET) = 0
[pid 5085] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 5085] write(3, "0 65535", 7) = 7
[pid 5085] close(3) = 0
[pid 5085] mkdir("/dev/binderfs", 0777) = 0
[pid 5085] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 5085] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5085] memfd_create("syzkaller", 0) = 3
[pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f77fca00000
[pid 5085] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 5085] munmap(0x7f77fca00000, 138412032) = 0
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5085] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5085] close(3) = 0
[pid 5085] close(4) = 0
[pid 5085] mkdir("./file0", 0777) = 0
[ 54.071374][ T5085] loop0: detected capacity change from 0 to 512
[ 54.093978][ T5085] =======================================================
[ 54.093978][ T5085] WARNING: The mand mount option has been deprecated and
[ 54.093978][ T5085] and is ignored by this kernel. Remove the mand
[ 54.093978][ T5085] option from the mount to silence this warning.
[ 54.093978][ T5085] =======================================================
[ 54.129503][ T5085] EXT4-fs: Ignoring removed nomblk_io_submit option
[ 54.137575][ T5085] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled
[ 54.162377][ T5085] EXT4-fs error (device loop0): ext4_validate_block_bitmap:441: comm syz-executor360: bg 0: block 248: padding at end of block bitmap is not set
[ 54.177889][ T5085] Quota error (device loop0): write_blk: dquota write failed
[ 54.185755][ T5085] Quota error (device loop0): qtree_write_dquot: Error -117 occurred while creating quota
[ 54.195838][ T5085] EXT4-fs error (device loop0): ext4_acquire_dquot:6882: comm syz-executor360: Failed to acquire dquot type 1
[pid 5085] mount("/dev/loop0", "./file0", "ext4", MS_MANDLOCK|MS_NODIRATIME|MS_REC|MS_LAZYTIME, "grpid,init_itable=0x0000000000000009,dioread_nolock,init_itable=0x0000000000000003,grpjquota=,noquot"...) = 0
[pid 5085] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5085] chdir("./file0") = 0
[pid 5085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5085] unlink("./file1") = 0
[pid 5085] fanotify_init(FAN_CLASS_NOTIF, O_RDONLY) = 4
[pid 5085] open(".", O_RDONLY) = 5
[pid 5085] fanotify_mark(4, FAN_MARK_ADD|FAN_MARK_DONT_FOLLOW|FAN_MARK_ONLYDIR, FAN_ACCESS|FAN_CLOSE_WRITE|FAN_OPEN|FAN_EVENT_ON_CHILD, 5, NULL) = 0
[ 54.209652][ T5085] EXT4-fs (loop0): 1 truncate cleaned up
[ 54.215359][ T5085] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.
[ 54.228315][ T5085] ext4 filesystem being mounted at /root/file0 supports timestamps until 2038-01-19 (0x7fffffff)
[pid 5085] exit_group(1) = ?
[ 54.310097][ T5085] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
[ 54.319669][ T62] Quota error (device loop0): do_check_range: Getting block 0 out of range 1-5
[ 54.329706][ T62] EXT4-fs error (device loop0): ext4_release_dquot:6905: comm kworker/u8:4: Failed to release dquot type 1
[ 54.341589][ T62] ==================================================================
[ 54.349672][ T62] BUG: KASAN: slab-use-after-free in fsnotify+0x2a4/0x1f70
[ 54.356898][ T62] Read of size 8 at addr ffff88802f1dce80 by task kworker/u8:4/62
[ 54.364685][ T62]
[ 54.366995][ T62] CPU: 0 PID: 62 Comm: kworker/u8:4 Not tainted 6.9.0-rc3-next-20240410-syzkaller #0
[ 54.376432][ T62] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 54.386472][ T62] Workqueue: events_unbound quota_release_workfn
[ 54.392797][ T62] Call Trace:
[ 54.396065][ T62] <TASK>
[ 54.398982][ T62] dump_stack_lvl+0x241/0x360
[ 54.403656][ T62] ? __pfx_dump_stack_lvl+0x10/0x10
[ 54.408842][ T62] ? __pfx__printk+0x10/0x10
[ 54.413425][ T62] ? _printk+0xd5/0x120
[ 54.417568][ T62] ? __virt_addr_valid+0x183/0x520
[ 54.422665][ T62] ? __virt_addr_valid+0x183/0x520
[ 54.427760][ T62] print_report+0x169/0x550
[ 54.432250][ T62] ? __virt_addr_valid+0x183/0x520
[ 54.437346][ T62] ? __virt_addr_valid+0x183/0x520
[ 54.442445][ T62] ? __virt_addr_valid+0x44e/0x520
[ 54.447540][ T62] ? __phys_addr+0xba/0x170
[ 54.452028][ T62] ? fsnotify+0x2a4/0x1f70
[ 54.456432][ T62] kasan_report+0x143/0x180
[ 54.460924][ T62] ? fsnotify+0x2a4/0x1f70
[ 54.465330][ T62] fsnotify+0x2a4/0x1f70
[ 54.469565][ T62] ? __pfx_vprintk_emit+0x10/0x10
[ 54.474589][ T62] ? _printk+0xd5/0x120
[ 54.478735][ T62] ? __pfx_fsnotify+0x10/0x10
[ 54.483409][ T62] ? rcu_is_watching+0x15/0xb0
[ 54.488172][ T62] __ext4_error+0x255/0x3b0
[ 54.492672][ T62] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 54.498644][ T62] ? __pfx___ext4_error+0x10/0x10
[ 54.503663][ T62] ? dquot_release+0x173/0x5c0
[ 54.508420][ T62] ext4_release_dquot+0x326/0x450
[ 54.513437][ T62] quota_release_workfn+0x39f/0x650
[ 54.518629][ T62] ? __pfx_quota_release_workfn+0x10/0x10
[ 54.524343][ T62] ? process_scheduled_works+0x945/0x1830
[ 54.530050][ T62] process_scheduled_works+0xa2c/0x1830
[ 54.535595][ T62] ? __pfx_process_scheduled_works+0x10/0x10
[ 54.541566][ T62] ? assign_work+0x364/0x3d0
[ 54.546145][ T62] worker_thread+0x86d/0xd70
[ 54.550729][ T62] ? __kthread_parkme+0x169/0x1d0
[ 54.555743][ T62] ? __pfx_worker_thread+0x10/0x10
[ 54.560847][ T62] kthread+0x2f0/0x390
[ 54.564908][ T62] ? __pfx_worker_thread+0x10/0x10
[ 54.570010][ T62] ? __pfx_kthread+0x10/0x10
[ 54.574606][ T62] ret_from_fork+0x4b/0x80
[ 54.579027][ T62] ? __pfx_kthread+0x10/0x10
[ 54.583612][ T62] ret_from_fork_asm+0x1a/0x30
[ 54.588374][ T62] </TASK>
[ 54.591377][ T62]
[ 54.593683][ T62] Allocated by task 5085:
[ 54.598002][ T62] kasan_save_track+0x3f/0x80
[ 54.602675][ T62] __kasan_kmalloc+0x98/0xb0
[ 54.607248][ T62] kmalloc_trace_noprof+0x19c/0x2b0
[ 54.612432][ T62] fsnotify_add_mark_locked+0x3b2/0xe60
[ 54.617979][ T62] fanotify_add_mark+0xbbd/0x1330
[ 54.622996][ T62] do_fanotify_mark+0xbcc/0xd90
[ 54.627838][ T62] __x64_sys_fanotify_mark+0xb5/0xd0
[ 54.633108][ T62] do_syscall_64+0xf5/0x240
[ 54.637598][ T62] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.643481][ T62]
[ 54.645793][ T62] Freed by task 5085:
[ 54.649756][ T62] kasan_save_track+0x3f/0x80
[ 54.654423][ T62] kasan_save_free_info+0x40/0x50
[ 54.659435][ T62] poison_slab_object+0xe0/0x150
[ 54.664356][ T62] __kasan_slab_free+0x37/0x60
[ 54.669104][ T62] kfree+0x149/0x350
[ 54.672987][ T62] fsnotify_sb_delete+0x686/0x6f0
[ 54.677998][ T62] generic_shutdown_super+0xa5/0x2d0
[ 54.683275][ T62] kill_block_super+0x44/0x90
[ 54.687938][ T62] ext4_kill_sb+0x68/0xa0
[ 54.692254][ T62] deactivate_locked_super+0xc4/0x130
[ 54.697615][ T62] cleanup_mnt+0x426/0x4c0
[ 54.702020][ T62] task_work_run+0x24f/0x310
[ 54.706605][ T62] do_exit+0xa1b/0x27e0
[ 54.710749][ T62] do_group_exit+0x207/0x2c0
[ 54.715332][ T62] __x64_sys_exit_group+0x3f/0x40
[ 54.720348][ T62] do_syscall_64+0xf5/0x240
[ 54.724837][ T62] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.730720][ T62]
[ 54.733030][ T62] The buggy address belongs to the object at ffff88802f1dce80
[ 54.733030][ T62] which belongs to the cache kmalloc-32 of size 32
[ 54.746893][ T62] The buggy address is located 0 bytes inside of
[ 54.746893][ T62] freed 32-byte region [ffff88802f1dce80, ffff88802f1dcea0)
[ 54.760411][ T62]
[ 54.762722][ T62] The buggy address belongs to the physical page:
[ 54.769114][ T62] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f1dc
[ 54.777861][ T62] flags: 0xfff80000000000(node=0|zone=1|lastcpupid=0xfff)
[ 54.784951][ T62] page_type: 0xffffefff(slab)
[ 54.789614][ T62] raw: 00fff80000000000 ffff888015041500 ffffea000096b540 dead000000000004
[ 54.798178][ T62] raw: 0000000000000000 0000000080400040 00000001ffffefff 0000000000000000
[ 54.806742][ T62] page dumped because: kasan: bad access detected
[ 54.813138][ T62] page_owner tracks the page as allocated
[ 54.818837][ T62] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid -625457465 (swapper/0), ts 1, free_ts 0
[ 54.835416][ T62] post_alloc_hook+0x1f3/0x230
[ 54.840179][ T62] get_page_from_freelist+0x2ce2/0x2d90
[ 54.845731][ T62] __alloc_pages_noprof+0x256/0x6c0
[ 54.850920][ T62] alloc_slab_page+0x5f/0x120
[ 54.855581][ T62] allocate_slab+0x5a/0x2e0
[ 54.860068][ T62] ___slab_alloc+0xcd1/0x14b0
[ 54.864734][ T62] __slab_alloc+0x58/0xa0
[ 54.869052][ T62] kmalloc_node_track_caller_noprof+0x286/0x440
[ 54.875280][ T62] kstrdup+0x3a/0x80
[ 54.879165][ T62] kobject_set_name_vargs+0x61/0x120
[ 54.884435][ T62] kobject_init_and_add+0xde/0x190
[ 54.889533][ T62] sysfs_slab_add+0x7a/0x290
[ 54.894115][ T62] slab_sysfs_init+0x66/0x170
[ 54.898801][ T62] do_one_initcall+0x248/0x880
[ 54.903554][ T62] do_initcall_level+0x157/0x210
[ 54.908481][ T62] do_initcalls+0x3f/0x80
[ 54.912795][ T62] page_owner free stack trace missing
[ 54.918143][ T62]
[ 54.920451][ T62] Memory state around the buggy address:
[ 54.926065][ T62] ffff88802f1dcd80: 00 00 05 fc fc fc fc fc 00 00 00 00 fc fc fc fc
[ 54.934111][ T62] ffff88802f1dce00: 00 00 00 06 fc fc fc fc fa fb fb fb fc fc fc fc
[ 54.942154][ T62] >ffff88802f1dce80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[ 54.950198][ T62] ^
[ 54.954248][ T62] ffff88802f1dcf00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[ 54.962296][ T62] ffff88802f1dcf80: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc
[ 54.970340][ T62] ==================================================================
[ 54.979441][ T62] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 54.986651][ T62] CPU: 1 PID: 62 Comm: kworker/u8:4 Not tainted 6.9.0-rc3-next-20240410-syzkaller #0
[ 54.996105][ T62] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 55.006149][ T62] Workqueue: events_unbound quota_release_workfn
[ 55.012475][ T62] Call Trace:
[ 55.015743][ T62] <TASK>
[ 55.018666][ T62] dump_stack_lvl+0x241/0x360
[ 55.023332][ T62] ? __pfx_dump_stack_lvl+0x10/0x10
[ 55.028535][ T62] ? __pfx__printk+0x10/0x10
[ 55.033114][ T62] ? preempt_schedule+0xe1/0xf0
[ 55.037953][ T62] ? vscnprintf+0x5d/0x90
[ 55.042278][ T62] panic+0x349/0x860
[ 55.046161][ T62] ? check_panic_on_warn+0x21/0xb0
[ 55.051265][ T62] ? __pfx_panic+0x10/0x10
[ 55.055669][ T62] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 55.061638][ T62] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 55.067953][ T62] ? print_report+0x502/0x550
[ 55.072622][ T62] check_panic_on_warn+0x86/0xb0
[ 55.077551][ T62] ? fsnotify+0x2a4/0x1f70
[ 55.081958][ T62] end_report+0x77/0x160
[ 55.086191][ T62] kasan_report+0x154/0x180
[ 55.090682][ T62] ? fsnotify+0x2a4/0x1f70
[ 55.095091][ T62] fsnotify+0x2a4/0x1f70
[ 55.099329][ T62] ? __pfx_vprintk_emit+0x10/0x10
[ 55.104348][ T62] ? _printk+0xd5/0x120
[ 55.108490][ T62] ? __pfx_fsnotify+0x10/0x10
[ 55.113158][ T62] ? rcu_is_watching+0x15/0xb0
[ 55.117916][ T62] __ext4_error+0x255/0x3b0
[ 55.122413][ T62] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 55.128383][ T62] ? __pfx___ext4_error+0x10/0x10
[ 55.133402][ T62] ? dquot_release+0x173/0x5c0
[ 55.138159][ T62] ext4_release_dquot+0x326/0x450
[ 55.143176][ T62] quota_release_workfn+0x39f/0x650
[ 55.148369][ T62] ? __pfx_quota_release_workfn+0x10/0x10
[ 55.154081][ T62] ? process_scheduled_works+0x945/0x1830
[ 55.159786][ T62] process_scheduled_works+0xa2c/0x1830
[ 55.165334][ T62] ? __pfx_process_scheduled_works+0x10/0x10
[ 55.171303][ T62] ? assign_work+0x364/0x3d0
[ 55.175882][ T62] worker_thread+0x86d/0xd70
[ 55.180468][ T62] ? __kthread_parkme+0x169/0x1d0
[ 55.185500][ T62] ? __pfx_worker_thread+0x10/0x10
[ 55.190603][ T62] kthread+0x2f0/0x390
[ 55.194661][ T62] ? __pfx_worker_thread+0x10/0x10
[ 55.199764][ T62] ? __pfx_kthread+0x10/0x10
[ 55.204343][ T62] ret_from_fork+0x4b/0x80
[ 55.208758][ T62] ? __pfx_kthread+0x10/0x10
[ 55.213354][ T62] ret_from_fork_asm+0x1a/0x30
[ 55.218115][ T62] </TASK>
[ 55.221296][ T62] Kernel Offset: disabled
[ 55.225605][ T62] Rebooting in 86400 seconds..