./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor164311321

<...>
Warning: Permanently added '10.128.0.121' (ED25519) to the list of known hosts.
execve("./syz-executor164311321", ["./syz-executor164311321"], 0x7ffc92efb3a0 /* 10 vars */) = 0
brk(NULL)                               = 0x555567e95000
brk(0x555567e95d00)                     = 0x555567e95d00
arch_prctl(ARCH_SET_FS, 0x555567e95380) = 0
set_tid_address(0x555567e95650)         = 5846
set_robust_list(0x555567e95660, 24)     = 0
rseq(0x555567e95ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor164311321", 4096) = 27
getrandom("\x59\x8b\xb6\xd9\x24\xd8\xa3\x50", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555567e95d00
brk(0x555567eb6d00)                     = 0x555567eb6d00
brk(0x555567eb7000)                     = 0x555567eb7000
mprotect(0x7fce4a57b000, 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./strace-static-x86_64: Process 5847 attached
 <unfinished ...>
[pid  5847] set_robust_list(0x555567e95660, 24 <unfinished ...>
[pid  5846] <... clone resumed>, child_tidptr=0x555567e95650) = 5847
[pid  5847] <... set_robust_list resumed>) = 0
[pid  5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5847] getppid()                   = 0
[pid  5847] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5847] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5847] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5847] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5847] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5847] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5847] unshare(CLONE_NEWNS)        = 0
[pid  5847] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] unshare(CLONE_NEWIPC)       = 0
[pid  5847] unshare(CLONE_NEWCGROUP)    = 0
[pid  5847] unshare(CLONE_NEWUTS)       = 0
[pid  5847] unshare(CLONE_SYSVSEM)      = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "16777216", 8)     = 8
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "536870912", 9)    = 9
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1024", 4)         = 4
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "8192", 4)         = 4
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1024", 4)         = 4
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1024", 4)         = 4
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5847] close(3)                    = 0
[pid  5847] getpid()                    = 1
[pid  5847] 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  5847] 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  5847] unshare(CLONE_NEWNET)       = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "0 65535", 7)      = 7
[pid  5847] close(3)                    = 0
[pid  5847] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5847] write(3, "100000", 6)       = 6
[pid  5847] close(3)                    = 0
[pid  5847] mkdir("./syz-tmp", 0777)    = 0
[pid  5847] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5847] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5847] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5847] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5847] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5847] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5847] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5847] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5847] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5847] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5847] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5847] 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  5847] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5847] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5847] chdir("/")                  = 0
[pid  5847] umount2("./pivot", MNT_DETACH) = 0
[pid  5847] chroot("./newroot")         = 0
[pid  5847] chdir("/")                  = 0
[pid  5847] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5847] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5847] mkdir("/dev/binderfs", 0777) = 0
[pid  5847] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5847] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5847] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5847] write(1, "executing program\n", 18executing program
) = 18
[pid  5847] memfd_create("syzkaller", 0) = 3
[pid  5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fce42000000
[pid  5847] 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  5847] munmap(0x7fce42000000, 138412032) = 0
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5847] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5847] close(3)                    = 0
[pid  5847] close(4)                    = 0
[pid  5847] mkdir("./file0", 0777)      = 0
[  129.131728][ T5847] loop0: detected capacity change from 0 to 32768
[  129.215541][ T5847] 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
[  129.238331][ T5847] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[  129.246426][ T5847] bcachefs (loop0): Version upgrade required:
[  129.246426][ T5847] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[  129.246426][ T5847] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.25: extent_flags
[  129.246426][ T5847]   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  5847] mount("/dev/loop0", "./file0", "bcachefs", MS_POSIXACL, "fsck,inline_data,nocow,degraded,str_hash=siphash,norecovery,discard,reconstruct_alloc,erasure_code,a"...) = 0
[pid  5847] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[  129.317504][ T5847] bcachefs (loop0): dropping and reconstructing all alloc info
[  129.333220][ T5847] bcachefs (loop0): accounting_read... done
[  129.339883][ T5847] bcachefs (loop0): alloc_read... done
[  129.345489][ T5847] bcachefs (loop0): snapshots_read... done
[  129.352264][ T5847] bcachefs (loop0): done starting filesystem
[pid  5847] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5847] close(4)                    = 0
[pid  5847] openat(AT_FDCWD, "./file0/file0", O_RDONLY|O_NOCTTY|O_SYNC) = 4
[pid  5847] ioctl(4, _IOC(_IOC_WRITE, 0xbc, 0x5, 0x10), 0x2000000000c0) = -1 EINVAL (Invalid argument)
[pid  5847] exit_group(1)               = ?
[  129.428564][ T5847] bcachefs (loop0): Cannot remove without losing data
[  129.474509][ T5847] bcachefs (loop0): shutting down
[  129.578310][ T5847] ------------[ cut here ]------------
[  129.583799][ T5847] WARNING: CPU: 1 PID: 5847 at fs/bcachefs/super.c:1229 bch2_dev_free+0x228/0x290
[  129.593496][ T5847] Modules linked in:
[  129.597807][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: syz-executor164 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(full) 
[  129.608819][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  129.619257][ T5847] RIP: 0010:bch2_dev_free+0x228/0x290
[  129.624641][ T5847] Code: ff e8 6c f8 6e 00 4c 89 ef e8 64 f8 6e 00 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 7e fd 90 07 e8 29 0b 36 fd 90 <0f> 0b 90 e9 09 fe ff ff e8 1b 0b 36 fd 90 0f 0b 90 e9 15 fe ff ff
[  129.644752][ T5847] RSP: 0018:ffffc9000431fb28 EFLAGS: 00010293
[  129.651262][ T5847] RAX: ffffffff848d3937 RBX: ffff888069bca000 RCX: ffff88807bd58000
[  129.659857][ T5847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  129.668165][ T5847] RBP: ffff888069bca0c0 R08: ffffffff84fc4177 R09: 0000000000000000
[  129.676161][ T5847] R10: ffff888069bca208 R11: ffffed100d37944a R12: ffff8880770003f0
[  129.684489][ T5847] R13: ffff888069bca0b0 R14: ffff888077000000 R15: ffff8880770007b2
[  129.692801][ T5847] FS:  0000000000000000(0000) GS:ffff8881250c9000(0000) knlGS:0000000000000000
[  129.702059][ T5847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.709016][ T5847] CR2: 000055af10ad3878 CR3: 000000007c826000 CR4: 00000000003526f0
[  129.717311][ T5847] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  129.725297][ T5847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  129.733584][ T5847] Call Trace:
[  129.736881][ T5847]  <TASK>
[  129.740114][ T5847]  bch2_fs_free+0x2b0/0x400
[  129.744625][ T5847]  deactivate_locked_super+0xc4/0x130
[  129.750299][ T5847]  cleanup_mnt+0x422/0x4c0
[  129.754740][ T5847]  ? lockdep_hardirqs_on+0x9d/0x150
[  129.760286][ T5847]  task_work_run+0x251/0x310
[  129.764896][ T5847]  ? __pfx_task_work_run+0x10/0x10
[  129.770801][ T5847]  ? do_exit+0xa0c/0x27f0
[  129.775172][ T5847]  ? do_exit+0xa0c/0x27f0
[  129.779601][ T5847]  do_exit+0xa11/0x27f0
[  129.783807][ T5847]  ? __pfx_do_exit+0x10/0x10
[  129.788521][ T5847]  ? _raw_spin_unlock_irq+0x23/0x50
[  129.793747][ T5847]  ? lockdep_hardirqs_on+0x9d/0x150
[  129.799422][ T5847]  do_group_exit+0x207/0x2c0
[  129.804045][ T5847]  __x64_sys_exit_group+0x3f/0x40
[  129.809134][ T5847]  x64_sys_call+0x26c3/0x26d0
[  129.813871][ T5847]  do_syscall_64+0xf3/0x230
[  129.818446][ T5847]  ? clear_bhb_loop+0x45/0xa0
[  129.823149][ T5847]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  129.829110][ T5847] RIP: 0033:0x7fce4a4ffe49
[  129.833562][ T5847] Code: Unable to access opcode bytes at 0x7fce4a4ffe1f.
[  129.840637][ T5847] RSP: 002b:00007ffec7bc1bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  129.849104][ T5847] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fce4a4ffe49
[  129.857252][ T5847] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[  129.865269][ T5847] RBP: 00007fce4a581390 R08: ffffffffffffffb8 R09: 0000000000000006
[  129.873324][ T5847] R10: 00000000000058ae R11: 0000000000000246 R12: 00007fce4a581390
[  129.881431][ T5847] R13: 0000000000000000 R14: 00007fce4a582100 R15: 00007fce4a4ce110
[  129.890295][ T5847]  </TASK>
[  129.893348][ T5847] Kernel panic - not syncing: kernel: panic_on_warn set ...
[  129.900659][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: syz-executor164 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(full) 
[  129.911358][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  129.921448][ T5847] Call Trace:
[  129.924754][ T5847]  <TASK>
[  129.927710][ T5847]  dump_stack_lvl+0x241/0x360
[  129.932425][ T5847]  ? __pfx_dump_stack_lvl+0x10/0x10
[  129.937652][ T5847]  ? __pfx__printk+0x10/0x10
[  129.942284][ T5847]  ? vscnprintf+0x5d/0x90
[  129.946651][ T5847]  panic+0x349/0x880
[  129.950582][ T5847]  ? __warn+0x174/0x4d0
[  129.954771][ T5847]  ? __pfx_panic+0x10/0x10
[  129.959233][ T5847]  __warn+0x344/0x4d0
[  129.963245][ T5847]  ? bch2_dev_free+0x228/0x290
[  129.968037][ T5847]  report_bug+0x2b3/0x500
[  129.972408][ T5847]  ? bch2_dev_free+0x228/0x290
[  129.977210][ T5847]  ? bch2_dev_free+0x228/0x290
[  129.982009][ T5847]  ? bch2_dev_free+0x22a/0x290
[  129.986804][ T5847]  handle_bug+0x89/0x170
[  129.991114][ T5847]  exc_invalid_op+0x1a/0x50
[  129.995653][ T5847]  asm_exc_invalid_op+0x1a/0x20
[  130.000532][ T5847] RIP: 0010:bch2_dev_free+0x228/0x290
[  130.005935][ T5847] Code: ff e8 6c f8 6e 00 4c 89 ef e8 64 f8 6e 00 48 89 df 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 7e fd 90 07 e8 29 0b 36 fd 90 <0f> 0b 90 e9 09 fe ff ff e8 1b 0b 36 fd 90 0f 0b 90 e9 15 fe ff ff
[  130.025574][ T5847] RSP: 0018:ffffc9000431fb28 EFLAGS: 00010293
[  130.031658][ T5847] RAX: ffffffff848d3937 RBX: ffff888069bca000 RCX: ffff88807bd58000
[  130.039725][ T5847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[  130.047701][ T5847] RBP: ffff888069bca0c0 R08: ffffffff84fc4177 R09: 0000000000000000
[  130.055675][ T5847] R10: ffff888069bca208 R11: ffffed100d37944a R12: ffff8880770003f0
[  130.063653][ T5847] R13: ffff888069bca0b0 R14: ffff888077000000 R15: ffff8880770007b2
[  130.071638][ T5847]  ? percpu_ref_is_zero+0x47/0x100
[  130.076761][ T5847]  ? bch2_dev_free+0x227/0x290
[  130.081539][ T5847]  ? bch2_dev_free+0x227/0x290
[  130.086312][ T5847]  bch2_fs_free+0x2b0/0x400
[  130.090825][ T5847]  deactivate_locked_super+0xc4/0x130
[  130.096210][ T5847]  cleanup_mnt+0x422/0x4c0
[  130.100641][ T5847]  ? lockdep_hardirqs_on+0x9d/0x150
[  130.105850][ T5847]  task_work_run+0x251/0x310
[  130.110453][ T5847]  ? __pfx_task_work_run+0x10/0x10
[  130.115569][ T5847]  ? do_exit+0xa0c/0x27f0
[  130.119903][ T5847]  ? do_exit+0xa0c/0x27f0
[  130.124239][ T5847]  do_exit+0xa11/0x27f0
[  130.128409][ T5847]  ? __pfx_do_exit+0x10/0x10
[  130.133014][ T5847]  ? _raw_spin_unlock_irq+0x23/0x50
[  130.138216][ T5847]  ? lockdep_hardirqs_on+0x9d/0x150
[  130.143423][ T5847]  do_group_exit+0x207/0x2c0
[  130.148022][ T5847]  __x64_sys_exit_group+0x3f/0x40
[  130.153051][ T5847]  x64_sys_call+0x26c3/0x26d0
[  130.157740][ T5847]  do_syscall_64+0xf3/0x230
[  130.162253][ T5847]  ? clear_bhb_loop+0x45/0xa0
[  130.166934][ T5847]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  130.172834][ T5847] RIP: 0033:0x7fce4a4ffe49
[  130.177252][ T5847] Code: Unable to access opcode bytes at 0x7fce4a4ffe1f.
[  130.184268][ T5847] RSP: 002b:00007ffec7bc1bb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  130.192687][ T5847] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fce4a4ffe49
[  130.200661][ T5847] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[  130.208637][ T5847] RBP: 00007fce4a581390 R08: ffffffffffffffb8 R09: 0000000000000006
[  130.216610][ T5847] R10: 00000000000058ae R11: 0000000000000246 R12: 00007fce4a581390
[  130.224582][ T5847] R13: 0000000000000000 R14: 00007fce4a582100 R15: 00007fce4a4ce110
[  130.232569][ T5847]  </TASK>
[  130.235848][ T5847] Kernel Offset: disabled
[  130.240172][ T5847] Rebooting in 86400 seconds..