./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2158594205 <...> Warning: Permanently added '10.128.0.68' (ED25519) to the list of known hosts. execve("./syz-executor2158594205", ["./syz-executor2158594205"], 0x7ffeaa1c27b0 /* 10 vars */) = 0 brk(NULL) = 0x555556f1d000 brk(0x555556f1dd00) = 0x555556f1dd00 arch_prctl(ARCH_SET_FS, 0x555556f1d380) = 0 set_tid_address(0x555556f1d650) = 5098 set_robust_list(0x555556f1d660, 24) = 0 rseq(0x555556f1dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2158594205", 4096) = 28 getrandom("\x5c\x11\x30\xfc\x26\xd9\xb2\x1e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556f1dd00 brk(0x555556f3ed00) = 0x555556f3ed00 brk(0x555556f3f000) = 0x555556f3f000 mprotect(0x7f7f37d7e000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7f2f800000 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 munmap(0x7f7f2f800000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 [ 74.208643][ T5098] loop0: detected capacity change from 0 to 32768 [ 74.299895][ T5098] bcachefs (loop0): mounting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=xxhash,compression=zstd,nojournal_transaction_names [ 74.315882][ T5098] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 74.340033][ T5098] bcachefs (loop0): alloc_read... done [ 74.345928][ T5098] bcachefs (loop0): stripes_read... done [ 74.351766][ T5098] bcachefs (loop0): snapshots_read... done [ 74.360730][ T5098] bucket 0:19 gen 51 different types of data in same bucket: (invalid data type), sb [ 74.360755][ T5098] while marking sb, shutting down [ 74.376084][ T5098] bcachefs (loop0): inconsistency detected - emergency read only at journal seq 10 [ 74.386223][ T5098] bcachefs (loop0): bch2_trans_mark_dev_sb(): error EIO [ 74.393246][ T5098] Kernel panic - not syncing: bch_dev->ref underflow, last put: bch2_get_next_dev+0x26/0x500 [ 74.403428][ T5098] CPU: 1 PID: 5098 Comm: syz-executor215 Not tainted 6.9.0-rc7-next-20240510-syzkaller #0 [ 74.413317][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 74.423369][ T5098] Call Trace: [ 74.426648][ T5098] [ 74.429595][ T5098] dump_stack_lvl+0x241/0x360 [ 74.434302][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.439535][ T5098] ? __pfx__printk+0x10/0x10 [ 74.444139][ T5098] ? vscnprintf+0x5d/0x90 [ 74.448495][ T5098] panic+0x349/0x860 [ 74.452395][ T5098] ? __pfx___bch2_print+0x10/0x10 [ 74.457514][ T5098] ? bch2_get_next_dev+0x26/0x500 [ 74.462572][ T5098] ? bch2_trans_mark_dev_sbs_flags+0x9ee/0xab0 [ 74.468857][ T5098] ? __pfx_panic+0x10/0x10 [ 74.473295][ T5098] ? bch2_trans_mark_dev_sb+0x628/0x720 [ 74.478946][ T5098] ? bch2_get_next_dev+0x26/0x500 [ 74.483998][ T5098] ? bch2_trans_mark_dev_sbs_flags+0x67/0xab0 [ 74.490089][ T5098] bch2_trans_mark_dev_sbs_flags+0xaa7/0xab0 [ 74.496175][ T5098] ? bch2_trans_mark_dev_sbs_flags+0x67/0xab0 [ 74.502271][ T5098] bch2_run_recovery_pass+0xf0/0x1e0 [ 74.507581][ T5098] bch2_run_recovery_passes+0x19e/0x820 [ 74.513252][ T5098] bch2_fs_recovery+0x2370/0x3700 [ 74.518415][ T5098] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 74.523819][ T5098] ? __pfx_lock_release+0x10/0x10 [ 74.528850][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 74.534489][ T5098] ? __pfx_lock_release+0x10/0x10 [ 74.539523][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 74.545183][ T5098] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 74.550906][ T5098] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 74.556557][ T5098] ? llist_reverse_order+0x72/0x90 [ 74.561693][ T5098] bch2_fs_start+0x356/0x5b0 [ 74.566288][ T5098] bch2_fs_open+0xa8d/0xdf0 [ 74.570808][ T5098] ? __pfx_bch2_fs_open+0x10/0x10 [ 74.575848][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 74.582194][ T5098] ? __pfx_bch2_test_super+0x10/0x10 [ 74.587494][ T5098] ? sget+0x2b8/0x620 [ 74.591480][ T5098] ? __pfx_bch2_noset_super+0x10/0x10 [ 74.596859][ T5098] bch2_mount+0x71d/0x1320 [ 74.601473][ T5098] ? __pfx_bch2_mount+0x10/0x10 [ 74.606354][ T5098] ? aa_get_newest_label+0xff/0x6f0 [ 74.611558][ T5098] ? vfs_parse_fs_string+0x190/0x230 [ 74.616849][ T5098] ? kfree+0x4e/0x360 [ 74.620844][ T5098] ? vfs_parse_fs_string+0x190/0x230 [ 74.626138][ T5098] legacy_get_tree+0xee/0x190 [ 74.630846][ T5098] ? __pfx_bch2_mount+0x10/0x10 [ 74.635710][ T5098] vfs_get_tree+0x90/0x2a0 [ 74.640177][ T5098] do_new_mount+0x2be/0xb40 [ 74.644701][ T5098] ? ns_capable+0x8a/0xf0 [ 74.649304][ T5098] ? __pfx_do_new_mount+0x10/0x10 [ 74.654408][ T5098] __se_sys_mount+0x2d9/0x3c0 [ 74.659138][ T5098] ? __pfx___se_sys_mount+0x10/0x10 [ 74.664368][ T5098] ? do_syscall_64+0x102/0x240 [ 74.669178][ T5098] ? __x64_sys_mount+0x20/0xc0 [ 74.673957][ T5098] do_syscall_64+0xf5/0x240 [ 74.678480][ T5098] ? clear_bhb_loop+0x35/0x90 [ 74.683162][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.689086][ T5098] RIP: 0033:0x7f7f37cfa8ca [ 74.693529][ T5098] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 74.713252][ T5098] RSP: 002b:00007fff662e7d38 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 74.721854][ T5098] RAX: ffffffffffffffda RBX: 00007fff662e7d50 RCX: 00007f7f37cfa8ca [ 74.729830][ T5098] RDX: 0000000020011a00 RSI: 0000000020000200 RDI: 00007fff662e7d50 [ 74.737818][ T5098] RBP: 0000000000000004 R08: 00007fff662e7d90 R09: 00000000000119eb [ 74.745884][ T5098] R10: 000000000120041c R11: 0000000000000282 R12: 000000000120041c [ 74.753857][ T5098] R13: 00007fff662e7d90 R14: 0000000000000003 R15: 0000000001000000 [ 74.761842][ T5098] [ 74.765258][ T5098] Kernel Offset: disabled [ 74.769632][ T5098] Rebooting in 86400 seconds..