./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1122939505

<...>
Warning: Permanently added '10.128.10.39' (ED25519) to the list of known hosts.
execve("./syz-executor1122939505", ["./syz-executor1122939505"], 0x7ffc7f012e50 /* 10 vars */) = 0
brk(NULL)                               = 0x55557adb0000
brk(0x55557adb0d00)                     = 0x55557adb0d00
arch_prctl(ARCH_SET_FS, 0x55557adb0380) = 0
set_tid_address(0x55557adb0650)         = 5838
set_robust_list(0x55557adb0660, 24)     = 0
rseq(0x55557adb0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1122939505", 4096) = 28
getrandom("\xcc\xfd\x91\xa2\xe9\xeb\xcc\x91", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557adb0d00
brk(0x55557add1d00)                     = 0x55557add1d00
brk(0x55557add2000)                     = 0x55557add2000
mprotect(0x7fc870c73000, 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./strace-static-x86_64: Process 5839 attached
, child_tidptr=0x55557adb0650) = 5839
[pid  5839] set_robust_list(0x55557adb0660, 24) = 0
[pid  5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5839] getppid()                   = 0
[pid  5839] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5839] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5839] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5839] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5839] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5839] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5839] unshare(CLONE_NEWNS)        = 0
[pid  5839] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] unshare(CLONE_NEWIPC)       = 0
[pid  5839] unshare(CLONE_NEWCGROUP)    = 0
[pid  5839] unshare(CLONE_NEWUTS)       = 0
[pid  5839] unshare(CLONE_SYSVSEM)      = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "16777216", 8)     = 8
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "536870912", 9)    = 9
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1024", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "8192", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1024", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1024", 4)         = 4
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5839] close(3)                    = 0
[pid  5839] getpid()                    = 1
[pid  5839] 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  5839] 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  5839] unshare(CLONE_NEWNET)       = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "0 65535", 7)      = 7
[pid  5839] close(3)                    = 0
[pid  5839] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5839] write(3, "100000", 6)       = 6
[pid  5839] close(3)                    = 0
[pid  5839] mkdir("./syz-tmp", 0777)    = 0
[pid  5839] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5839] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5839] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5839] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5839] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5839] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5839] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5839] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5839] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5839] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5839] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5839] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5839] chdir("/")                  = 0
[pid  5839] umount2("./pivot", MNT_DETACH) = 0
[pid  5839] chroot("./newroot")         = 0
[pid  5839] chdir("/")                  = 0
[pid  5839] mkdir("/dev/binderfs", 0777) = 0
[pid  5839] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5839] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5839] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5839] write(1, "executing program\n", 18executing program
) = 18
[pid  5839] memfd_create("syzkaller", 0) = 3
[pid  5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc868600000
[pid  5839] 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  5839] munmap(0x7fc868600000, 138412032) = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5839] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5839] close(3)                    = 0
[pid  5839] close(4)                    = 0
[pid  5839] mkdir("./file2", 0777)      = 0
[   93.170384][ T5839] loop0: detected capacity change from 0 to 32768
[   93.214675][ T5839] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got  should be 
[   93.255300][ T5839] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none
[   93.270402][ T5839] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[   93.278834][ T5839] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1
[   93.278834][ T5839] rw journal devs:
[   93.303605][ T5839] bcachefs (loop0): accounting_read... done
[   93.310785][ T5839] bcachefs (loop0): alloc_read... done
[   93.316325][ T5839] bcachefs (loop0): stripes_read... done
[   93.322086][ T5839] bcachefs (loop0): snapshots_read... done
[   93.330350][ T5839] bcachefs (loop0): journal_replay... done
[   93.336223][ T5839] bcachefs (loop0): resume_logged_ops... done
[   93.342400][ T5839] bcachefs (loop0): delete_dead_inodes... done
[   93.349280][ T5839] bcachefs (loop0): going read-write
[pid  5839] mount("/dev/loop0", "./file2", "bcachefs", MS_STRICTATIME, "errors=continue,errors=fix_safe,journal_transaction_names,version_upgrade=none,smackfshat=*,obj_type"...) = 0
[pid  5839] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
[pid  5839] chdir("./file2")            = 0
[pid  5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[   93.359464][ T5849] ------------[ cut here ]------------
[   93.360239][ T5839] bcachefs (loop0): done starting filesystem
[   93.365126][ T5849] kernel BUG at fs/bcachefs/bkey_types.h:210!
[   93.377471][ T5849] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[   93.384437][ T5849] CPU: 1 UID: 0 PID: 5849 Comm: bch-copygc/loop Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
[   93.395214][ T5849] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[pid  5839] ioctl(4, LOOP_CLR_FD)       = 0
[   93.405280][ T5849] RIP: 0010:bch2_get_next_backpointer+0x1316/0x1320
[   93.411878][ T5849] Code: f9 fd e9 56 f9 ff ff e8 78 58 91 fd 90 0f 0b e8 d0 5a ba 07 e8 6b 58 91 fd 90 0f 0b e8 63 58 91 fd 90 0f 0b e8 5b 58 91 fd 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90
[   93.431499][ T5849] RSP: 0018:ffffc90003e96c80 EFLAGS: 00010293
[   93.437592][ T5849] RAX: ffffffff84048765 RBX: 00000000000000b3 RCX: ffff888078c5da00
[   93.445583][ T5849] RDX: 0000000000000000 RSI: 00000000000000b3 RDI: 000000000000001c
[   93.453558][ T5849] RBP: ffffc90003e96ff8 R08: ffffffff840480a8 R09: 0000000000000000
[   93.461530][ T5849] R10: 0000000000880000 R11: 0000000000000000 R12: ffff888021f38000
[   93.469503][ T5849] R13: 1ffff920007d2d9c R14: ffffc90003e96ed0 R15: ffff888078e60160
[   93.477474][ T5849] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   93.486400][ T5849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.492979][ T5849] CR2: 000055d2b7f92000 CR3: 000000005955c000 CR4: 00000000003526f0
[   93.500952][ T5849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   93.508923][ T5849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   93.516897][ T5849] Call Trace:
[   93.520172][ T5849]  <TASK>
[   93.523100][ T5849]  ? __die_body+0x5f/0xb0
[   93.527431][ T5849]  ? die+0x9e/0xc0
[   93.531145][ T5849]  ? do_trap+0x15a/0x3a0
[   93.535386][ T5849]  ? bch2_get_next_backpointer+0x1316/0x1320
[   93.541363][ T5849]  ? do_error_trap+0x1dc/0x2c0
[   93.546125][ T5849]  ? bch2_get_next_backpointer+0x1316/0x1320
[   93.552106][ T5849]  ? __pfx_do_error_trap+0x10/0x10
[   93.557215][ T5849]  ? report_bug+0x3e8/0x500
[   93.561731][ T5849]  ? handle_invalid_op+0x34/0x40
[   93.566673][ T5849]  ? bch2_get_next_backpointer+0x1316/0x1320
[   93.572652][ T5849]  ? exc_invalid_op+0x38/0x50
[   93.577328][ T5849]  ? asm_exc_invalid_op+0x1a/0x20
[   93.582348][ T5849]  ? bch2_get_next_backpointer+0xc58/0x1320
[   93.588235][ T5849]  ? bch2_get_next_backpointer+0x1315/0x1320
[   93.594211][ T5849]  ? bch2_get_next_backpointer+0x1316/0x1320
[   93.600190][ T5849]  ? __pfx_bch2_get_next_backpointer+0x10/0x10
[   93.606340][ T5849]  ? __pfx_lock_acquire+0x10/0x10
[   93.611365][ T5849]  ? __pfx___might_resched+0x10/0x10
[   93.616653][ T5849]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   93.622554][ T5849]  ? bch2_trans_begin+0x9c5/0x1c00
[   93.627667][ T5849]  ? bch2_trans_begin+0x16c1/0x1c00
[   93.632862][ T5849]  ? bch2_get_next_backpointer+0x3c7/0x1320
[   93.638801][ T5849]  ? __pfx_bch2_move_ratelimit+0x10/0x10
[   93.644455][ T5849]  ? __mutex_unlock_slowpath+0x21e/0x790
[   93.650096][ T5849]  ? bch2_get_next_backpointer+0x845/0x1320
[   93.655985][ T5849]  ? __pfx___bch2_alloc_to_v4+0x10/0x10
[   93.661528][ T5849]  ? bch2_write_ref_put+0x5b/0x5a0
[   93.666634][ T5849]  bch2_evacuate_bucket+0x113c/0x3620
[   93.672012][ T5849]  ? mark_lock+0x9a/0x360
[   93.676338][ T5849]  ? bch2_evacuate_bucket+0x30e/0x3620
[   93.681792][ T5849]  ? __pfx_bch2_evacuate_bucket+0x10/0x10
[   93.687506][ T5849]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   93.693398][ T5849]  ? __pfx_register_lock_class+0x10/0x10
[   93.699030][ T5849]  ? stack_trace_save+0x118/0x1d0
[   93.704093][ T5849]  ? bch2_evacuate_bucket+0x30e/0x3620
[   93.709570][ T5849]  ? __pfx_lock_acquire+0x10/0x10
[   93.714601][ T5849]  ? bch2_copygc+0x435/0x4ca0
[   93.719275][ T5849]  ? lockdep_hardirqs_on_prepare+0x43d/0x780
[   93.725282][ T5849]  bch2_copygc+0x42c9/0x4ca0
[   93.729875][ T5849]  ? bch2_copygc+0x435/0x4ca0
[   93.734562][ T5849]  ? __pfx_bch2_copygc+0x10/0x10
[   93.739498][ T5849]  ? __pfx_lock_acquire+0x10/0x10
[   93.744520][ T5849]  ? __pfx_lock_release+0x10/0x10
[   93.749546][ T5849]  ? bch2_copygc+0x435/0x4ca0
[   93.754219][ T5849]  ? bch2_copygc_wait_amount+0xc90/0xcf0
[   93.759858][ T5849]  ? bch2_copygc+0x435/0x4ca0
[   93.764534][ T5849]  ? bch2_trans_srcu_unlock+0x44d/0x5c0
[   93.770084][ T5849]  bch2_copygc_thread+0x737/0xc20
[   93.775109][ T5849]  ? __pfx_bch2_copygc_thread+0x10/0x10
[   93.780659][ T5849]  ? bch2_copygc_thread+0x1a2/0xc20
[   93.785891][ T5849]  ? _raw_spin_unlock_irqrestore+0x8f/0x140
[   93.791789][ T5849]  ? lockdep_hardirqs_on+0x99/0x150
[   93.796991][ T5849]  ? _raw_spin_unlock_irqrestore+0xdd/0x140
[   93.802886][ T5849]  ? __kthread_parkme+0x169/0x1d0
[pid  5839] close(4)                    = 0
[pid  5839] exit_group(1)               = ?
[   93.807910][ T5849]  ? __pfx_bch2_copygc_thread+0x10/0x10
[   93.813452][ T5849]  kthread+0x2f0/0x390
[   93.817514][ T5849]  ? __pfx_bch2_copygc_thread+0x10/0x10
[   93.823052][ T5849]  ? __pfx_kthread+0x10/0x10
[   93.827638][ T5849]  ret_from_fork+0x4b/0x80
[   93.832059][ T5849]  ? __pfx_kthread+0x10/0x10
[   93.836647][ T5849]  ret_from_fork_asm+0x1a/0x30
[   93.841416][ T5849]  </TASK>
[   93.844430][ T5849] Modules linked in:
[   93.848537][ T5849] ---[ end trace 0000000000000000 ]---
[   93.855890][ T5849] RIP: 0010:bch2_get_next_backpointer+0x1316/0x1320
[   93.862808][ T5849] Code: f9 fd e9 56 f9 ff ff e8 78 58 91 fd 90 0f 0b e8 d0 5a ba 07 e8 6b 58 91 fd 90 0f 0b e8 63 58 91 fd 90 0f 0b e8 5b 58 91 fd 90 <0f> 0b 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90
[   93.882679][ T5849] RSP: 0018:ffffc90003e96c80 EFLAGS: 00010293
[   93.888852][ T5849] RAX: ffffffff84048765 RBX: 00000000000000b3 RCX: ffff888078c5da00
[   93.891005][ T5839] bcachefs (loop0): shutting down
[   93.896909][ T5849] RDX: 0000000000000000 RSI: 00000000000000b3 RDI: 000000000000001c
[   93.902594][ T5839] bcachefs (loop0): going read-only
[   93.910234][ T5849] RBP: ffffc90003e96ff8 R08: ffffffff840480a8 R09: 0000000000000000
[   93.915742][ T5839] bcachefs (loop0): finished waiting for writes to stop
[   93.923489][ T5849] R10: 0000000000880000 R11: 0000000000000000 R12: ffff888021f38000
[   93.938348][ T5849] R13: 1ffff920007d2d9c R14: ffffc90003e96ed0 R15: ffff888078e60160
[   93.946374][ T5849] FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[   93.955404][ T5849] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.962061][ T5849] CR2: 00007fc870c77130 CR3: 0000000032bca000 CR4: 00000000003526f0
[   93.970101][ T5849] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   93.978108][ T5849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   93.986117][ T5849] Kernel panic - not syncing: Fatal exception
[   93.992422][ T5849] Kernel Offset: disabled
[   93.996737][ T5849] Rebooting in 86400 seconds..