./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor814152767

<...>
Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts.
execve("./syz-executor814152767", ["./syz-executor814152767"], 0x7fff32cad690 /* 10 vars */) = 0
brk(NULL)                               = 0x55558d07c000
brk(0x55558d07cd00)                     = 0x55558d07cd00
arch_prctl(ARCH_SET_FS, 0x55558d07c380) = 0
set_tid_address(0x55558d07c650)         = 5841
set_robust_list(0x55558d07c660, 24)     = 0
rseq(0x55558d07cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor814152767", 4096) = 27
getrandom("\x9e\xf8\x94\x0c\x65\x34\x63\xd6", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558d07cd00
brk(0x55558d09dd00)                     = 0x55558d09dd00
brk(0x55558d09e000)                     = 0x55558d09e000
mprotect(0x7f4cf7a2b000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558d07c650) = 5842
./strace-static-x86_64: Process 5842 attached
[pid  5842] set_robust_list(0x55558d07c660, 24) = 0
[pid  5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5842] getppid()                   = 0
[pid  5842] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5842] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5842] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5842] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5842] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5842] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5842] unshare(CLONE_NEWNS)        = 0
[pid  5842] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5842] unshare(CLONE_NEWIPC)       = 0
[pid  5842] unshare(CLONE_NEWCGROUP)    = 0
[pid  5842] unshare(CLONE_NEWUTS)       = 0
[pid  5842] unshare(CLONE_SYSVSEM)      = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "16777216", 8)     = 8
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "536870912", 9)    = 9
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1024", 4)         = 4
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "8192", 4)         = 4
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1024", 4)         = 4
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1024", 4)         = 4
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5842] close(3)                    = 0
[pid  5842] getpid()                    = 1
[pid  5842] 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  5842] 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  5842] unshare(CLONE_NEWNET)       = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "0 65535", 7)      = 7
[pid  5842] close(3)                    = 0
[pid  5842] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5842] write(3, "100000", 6)       = 6
[pid  5842] close(3)                    = 0
[pid  5842] mkdir("./syz-tmp", 0777)    = 0
[pid  5842] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5842] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5842] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5842] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5842] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5842] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5842] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5842] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5842] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5842] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5842] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5842] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5842] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5842] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5842] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5842] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5842] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5842] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5842] chdir("/")                  = 0
[pid  5842] umount2("./pivot", MNT_DETACH) = 0
[pid  5842] chroot("./newroot")         = 0
[pid  5842] chdir("/")                  = 0
[pid  5842] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5842] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5842] mkdir("/dev/binderfs", 0777) = 0
[pid  5842] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5842] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5842] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
executing program
[pid  5842] write(1, "executing program\n", 18) = 18
[pid  5842] memfd_create("syzkaller", 0) = 3
[pid  5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f4cef400000
[pid  5842] 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"..., 16777216) = 16777216
[pid  5842] munmap(0x7f4cef400000, 138412032) = 0
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5842] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5842] close(3)                    = 0
[pid  5842] close(4)                    = 0
[pid  5842] mkdir("./file0", 0777)      = 0
[   89.895582][ T5842] loop0: detected capacity change from 0 to 32768
[   90.016530][ T5842] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,degraded,no_splitbrain_check,fsck,norecovery,nojournal_transaction_names,reconstruct_alloc,nocow
[   90.039141][ T5842] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[   90.047424][ T5842] bcachefs (loop0): Version upgrade required:
[   90.047424][ T5842] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[   90.047424][ T5842] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.25: extent_flags
[   90.047424][ T5842]   running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance
[pid  5842] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"...) = 0
[pid  5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   90.117955][ T5842] bcachefs (loop0): dropping and reconstructing all alloc info
[   90.133505][ T5842] bcachefs (loop0): accounting_read... done
[   90.140392][ T5842] bcachefs (loop0): alloc_read... done
[   90.146349][ T5842] bcachefs (loop0): snapshots_read... done
[   90.153123][ T5842] bcachefs (loop0): done starting filesystem
[pid  5842] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5842] close(4)                    = 0
[pid  5842] openat(AT_FDCWD, "./file0/file0", O_RDONLY|O_NOCTTY|O_SYNC) = 4
[pid  5842] ioctl(4, _IOC(_IOC_WRITE, 0xbc, 0x5, 0x10), 0x2000000000c0) = -1 EINVAL (Invalid argument)
[pid  5842] exit_group(1)               = ?
[   90.228387][ T5842] bcachefs (loop0): Cannot remove without losing data
[   90.257179][ T5842] bcachefs (loop0): shutting down
[   90.355345][ T5842] ------------[ cut here ]------------
[   90.360864][ T5842] WARNING: CPU: 1 PID: 5842 at fs/bcachefs/super.c:1229 bch2_dev_free+0x228/0x290
[   90.370760][ T5842] Modules linked in:
[   90.374742][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor814 Not tainted 6.14.0-next-20250404-syzkaller #0 PREEMPT(full) 
[   90.386355][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   90.396453][ T5842] RIP: 0010:bch2_dev_free+0x228/0x290
[   90.401871][ T5842] Code: ff e8 4c cf 74 00 4c 89 ef e8 44 cf 74 00 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ee 53 96 07 e8 59 e9 32 fd 90 <0f> 0b 90 e9 09 fe ff ff e8 4b e9 32 fd 90 0f 0b 90 e9 15 fe ff ff
[   90.421554][ T5842] RSP: 0018:ffffc9000418fb28 EFLAGS: 00010293
[   90.427665][ T5842] RAX: ffffffff849073d7 RBX: ffff8880798d2000 RCX: ffff888034ffda00
[   90.435666][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   90.443653][ T5842] RBP: ffff8880798d20c0 R08: ffffffff850552f7 R09: 0000000000000000
[   90.451665][ T5842] R10: ffff8880798d2208 R11: ffffed100f31a44a R12: ffff8880767803f0
[   90.459669][ T5842] R13: ffff8880798d20b0 R14: ffff888076780000 R15: ffff8880767807b2
[   90.467711][ T5842] FS:  0000000000000000(0000) GS:ffff88812508f000(0000) knlGS:0000000000000000
[   90.476685][ T5842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.483263][ T5842] CR2: 00007f4cf79fa3f8 CR3: 000000000eb38000 CR4: 00000000003526f0
[   90.491294][ T5842] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   90.499337][ T5842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   90.507377][ T5842] Call Trace:
[   90.510829][ T5842]  <TASK>
[   90.513798][ T5842]  bch2_fs_free+0x2b0/0x400
[   90.518391][ T5842]  deactivate_locked_super+0xc4/0x130
[   90.523817][ T5842]  cleanup_mnt+0x422/0x4c0
[   90.528339][ T5842]  ? lockdep_hardirqs_on+0x9d/0x150
[   90.533607][ T5842]  task_work_run+0x251/0x310
[   90.538275][ T5842]  ? __pfx_task_work_run+0x10/0x10
[   90.543398][ T5842]  ? do_exit+0xa08/0x27e0
[   90.547943][ T5842]  ? do_exit+0xa08/0x27e0
[   90.552323][ T5842]  do_exit+0xa0d/0x27e0
[   90.556558][ T5842]  ? __pfx_do_exit+0x10/0x10
[   90.561188][ T5842]  ? _raw_spin_unlock_irq+0x23/0x50
[   90.566460][ T5842]  ? lockdep_hardirqs_on+0x9d/0x150
[   90.571697][ T5842]  do_group_exit+0x207/0x2c0
[   90.576360][ T5842]  __x64_sys_exit_group+0x3f/0x40
[   90.581418][ T5842]  x64_sys_call+0x26c3/0x26d0
[   90.586143][ T5842]  do_syscall_64+0xf3/0x230
[   90.590677][ T5842]  ? clear_bhb_loop+0x45/0xa0
[   90.595408][ T5842]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.601325][ T5842] RIP: 0033:0x7f4cf79afe49
[   90.605846][ T5842] Code: Unable to access opcode bytes at 0x7f4cf79afe1f.
[   90.612878][ T5842] RSP: 002b:00007ffe668e4c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   90.621337][ T5842] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4cf79afe49
[   90.629339][ T5842] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   90.637364][ T5842] RBP: 00007f4cf7a31390 R08: ffffffffffffffb8 R09: 0000000000000006
[   90.645392][ T5842] R10: 00000000000058ae R11: 0000000000000246 R12: 00007f4cf7a31390
[   90.653409][ T5842] R13: 0000000000000000 R14: 00007f4cf7a32100 R15: 00007f4cf797e110
[   90.661457][ T5842]  </TASK>
[   90.664534][ T5842] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   90.671841][ T5842] CPU: 1 UID: 0 PID: 5842 Comm: syz-executor814 Not tainted 6.14.0-next-20250404-syzkaller #0 PREEMPT(full) 
[   90.683392][ T5842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   90.693459][ T5842] Call Trace:
[   90.696758][ T5842]  <TASK>
[   90.699690][ T5842]  dump_stack_lvl+0x241/0x360
[   90.704392][ T5842]  ? __pfx_dump_stack_lvl+0x10/0x10
[   90.709607][ T5842]  ? __pfx__printk+0x10/0x10
[   90.714300][ T5842]  ? vscnprintf+0x5d/0x90
[   90.718640][ T5842]  panic+0x349/0x880
[   90.722552][ T5842]  ? __warn+0x174/0x4d0
[   90.726724][ T5842]  ? __pfx_panic+0x10/0x10
[   90.731168][ T5842]  __warn+0x344/0x4d0
[   90.735150][ T5842]  ? bch2_dev_free+0x228/0x290
[   90.739918][ T5842]  report_bug+0x2b3/0x500
[   90.744249][ T5842]  ? bch2_dev_free+0x228/0x290
[   90.749022][ T5842]  ? bch2_dev_free+0x228/0x290
[   90.753807][ T5842]  ? bch2_dev_free+0x22a/0x290
[   90.758578][ T5842]  handle_bug+0x89/0x170
[   90.762832][ T5842]  exc_invalid_op+0x1a/0x50
[   90.767349][ T5842]  asm_exc_invalid_op+0x1a/0x20
[   90.772209][ T5842] RIP: 0010:bch2_dev_free+0x228/0x290
[   90.777597][ T5842] Code: ff e8 4c cf 74 00 4c 89 ef e8 44 cf 74 00 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ee 53 96 07 e8 59 e9 32 fd 90 <0f> 0b 90 e9 09 fe ff ff e8 4b e9 32 fd 90 0f 0b 90 e9 15 fe ff ff
[   90.797204][ T5842] RSP: 0018:ffffc9000418fb28 EFLAGS: 00010293
[   90.803288][ T5842] RAX: ffffffff849073d7 RBX: ffff8880798d2000 RCX: ffff888034ffda00
[   90.811268][ T5842] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   90.819240][ T5842] RBP: ffff8880798d20c0 R08: ffffffff850552f7 R09: 0000000000000000
[   90.827208][ T5842] R10: ffff8880798d2208 R11: ffffed100f31a44a R12: ffff8880767803f0
[   90.835188][ T5842] R13: ffff8880798d20b0 R14: ffff888076780000 R15: ffff8880767807b2
[   90.843171][ T5842]  ? percpu_ref_is_zero+0x47/0x100
[   90.848382][ T5842]  ? bch2_dev_free+0x227/0x290
[   90.853174][ T5842]  ? bch2_dev_free+0x227/0x290
[   90.857951][ T5842]  bch2_fs_free+0x2b0/0x400
[   90.862475][ T5842]  deactivate_locked_super+0xc4/0x130
[   90.867855][ T5842]  cleanup_mnt+0x422/0x4c0
[   90.872271][ T5842]  ? lockdep_hardirqs_on+0x9d/0x150
[   90.877478][ T5842]  task_work_run+0x251/0x310
[   90.882075][ T5842]  ? __pfx_task_work_run+0x10/0x10
[   90.887183][ T5842]  ? do_exit+0xa08/0x27e0
[   90.891520][ T5842]  ? do_exit+0xa08/0x27e0
[   90.895860][ T5842]  do_exit+0xa0d/0x27e0
[   90.900022][ T5842]  ? __pfx_do_exit+0x10/0x10
[   90.904900][ T5842]  ? _raw_spin_unlock_irq+0x23/0x50
[   90.910116][ T5842]  ? lockdep_hardirqs_on+0x9d/0x150
[   90.915330][ T5842]  do_group_exit+0x207/0x2c0
[   90.919934][ T5842]  __x64_sys_exit_group+0x3f/0x40
[   90.924973][ T5842]  x64_sys_call+0x26c3/0x26d0
[   90.929644][ T5842]  do_syscall_64+0xf3/0x230
[   90.934161][ T5842]  ? clear_bhb_loop+0x45/0xa0
[   90.938846][ T5842]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   90.944738][ T5842] RIP: 0033:0x7f4cf79afe49
[   90.949160][ T5842] Code: Unable to access opcode bytes at 0x7f4cf79afe1f.
[   90.956182][ T5842] RSP: 002b:00007ffe668e4c28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   90.964599][ T5842] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4cf79afe49
[   90.972612][ T5842] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   90.980594][ T5842] RBP: 00007f4cf7a31390 R08: ffffffffffffffb8 R09: 0000000000000006
[   90.988576][ T5842] R10: 00000000000058ae R11: 0000000000000246 R12: 00007f4cf7a31390
[   90.996581][ T5842] R13: 0000000000000000 R14: 00007f4cf7a32100 R15: 00007f4cf797e110
[   91.004575][ T5842]  </TASK>
[   91.007947][ T5842] Kernel Offset: disabled
[   91.012275][ T5842] Rebooting in 86400 seconds..