./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor151351753
<...>
Warning: Permanently added '10.128.1.96' (ED25519) to the list of known hosts.
execve("./syz-executor151351753", ["./syz-executor151351753"], 0x7ffdcadef770 /* 10 vars */) = 0
brk(NULL) = 0x555586403000
brk(0x555586403d00) = 0x555586403d00
arch_prctl(ARCH_SET_FS, 0x555586403380) = 0
set_tid_address(0x555586403650) = 5179
set_robust_list(0x555586403660, 24) = 0
rseq(0x555586403ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor151351753", 4096) = 27
getrandom("\x11\x33\xa3\x1f\x71\x3f\xbb\xd2", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555586403d00
brk(0x555586424d00) = 0x555586424d00
brk(0x555586425000) = 0x555586425000
mprotect(0x7f63d1e85000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555586403650) = 5180
./strace-static-x86_64: Process 5180 attached
[pid 5180] set_robust_list(0x555586403660, 24) = 0
[pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5180] setpgid(0, 0) = 0
[pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5180] write(3, "1000", 4executing program
) = 4
[pid 5180] close(3) = 0
[pid 5180] write(1, "executing program\n", 18) = 18
[pid 5180] memfd_create("syzkaller", 0) = 3
[pid 5180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63c9800000
[pid 5180] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5180] munmap(0x7f63c9800000, 138412032) = 0
[pid 5180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5180] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5180] close(3) = 0
[pid 5180] close(4) = 0
[pid 5180] mkdir("./file1", 0777) = 0
[ 187.279066][ T5180] loop0: detected capacity change from 0 to 32768
[ 187.326070][ T5180] JBD2: Ignoring recovery information on journal
[pid 5180] mount("/dev/loop0", "./file1", "ocfs2", MS_NOATIME|MS_I_VERSION|MS_LAZYTIME, "localalloc=18446744073709551608,resv_level=00000000000000000002,heartbeat=none,coherency=buffered,er"...) = 0
[pid 5180] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5180] chdir("./file1") = 0
[pid 5180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5180] openat(AT_FDCWD, ".", O_RDONLY) = 4
[ 187.381430][ T5180] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[ 187.399822][ T5180] (syz-executor151,5180,1):ocfs2_get_block:148 get_block on system inode 0xffff8881291a8508 (17)
[ 187.412274][ T5180] OCFS2: ERROR (device loop0): int __ocfs2_find_path(struct ocfs2_caching_info *, struct ocfs2_extent_list *, u32, path_insert_t *, void *): Owner 17 has empty extent list at depth 312
[ 187.430957][ T5180] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted.
[ 187.441298][ T5180] OCFS2: Returning error to the calling process.
[ 187.447997][ T5180] (syz-executor151,5180,1):ocfs2_find_leaf:1940 ERROR: status = -30
[ 187.456454][ T5180] (syz-executor151,5180,1):ocfs2_get_clusters_nocache:421 ERROR: status = -30
[ 187.465919][ T5180] (syz-executor151,5180,1):ocfs2_get_clusters:624 ERROR: status = -30
[ 187.474533][ T5180] (syz-executor151,5180,1):ocfs2_extent_map_get_blocks:671 ERROR: status = -30
[ 187.483903][ T5180] =====================================================
[ 187.491051][ T5180] BUG: KMSAN: uninit-value in ocfs2_get_block+0xed2/0x2710
[ 187.498604][ T5180] ocfs2_get_block+0xed2/0x2710
[ 187.503732][ T5180] do_mpage_readpage+0xc45/0x2780
[ 187.508937][ T5180] mpage_readahead+0x43f/0x840
[ 187.514014][ T5180] ocfs2_readahead+0x269/0x320
[ 187.518971][ T5180] read_pages+0x193/0x1110
[ 187.523722][ T5180] page_cache_ra_unbounded+0x901/0x9f0
[ 187.529376][ T5180] force_page_cache_ra+0x3b1/0x4b0
[ 187.534841][ T5180] generic_fadvise+0x6b0/0xa90
[ 187.539803][ T5180] __x64_sys_fadvise64+0x1fb/0x3a0
[ 187.545180][ T5180] x64_sys_call+0xe11/0x3ba0
[ 187.549982][ T5180] do_syscall_64+0xcd/0x1e0
[ 187.554786][ T5180] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.560983][ T5180]
[ 187.563512][ T5180] Local variable p_blkno created at:
[ 187.568935][ T5180] ocfs2_get_block+0xc7/0x2710
[ 187.574008][ T5180] do_mpage_readpage+0xc45/0x2780
[ 187.579272][ T5180]
[ 187.581807][ T5180] CPU: 1 UID: 0 PID: 5180 Comm: syz-executor151 Not tainted 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0
[ 187.593016][ T5180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[ 187.603316][ T5180] =====================================================
[ 187.610371][ T5180] Disabling lock debugging due to kernel taint
[ 187.616905][ T5180] Kernel panic - not syncing: kmsan.panic set ...
[ 187.623455][ T5180] CPU: 1 UID: 0 PID: 5180 Comm: syz-executor151 Tainted: G B 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0
[ 187.635849][ T5180] Tainted: [B]=BAD_PAGE
[ 187.640093][ T5180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[ 187.650270][ T5180] Call Trace:
[ 187.653676][ T5180] <TASK>
[ 187.656727][ T5180] dump_stack_lvl+0x216/0x2d0
[ 187.661552][ T5180] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 187.667562][ T5180] dump_stack+0x1e/0x30
[ 187.671870][ T5180] panic+0x4e2/0xcf0
[ 187.675944][ T5180] ? kmsan_get_metadata+0x41/0x1c0
[ 187.681216][ T5180] kmsan_report+0x2c7/0x2d0
[ 187.685869][ T5180] ? __msan_warning+0x95/0x120
[ 187.690760][ T5180] ? ocfs2_get_block+0xed2/0x2710
[ 187.695914][ T5180] ? do_mpage_readpage+0xc45/0x2780
[ 187.701270][ T5180] ? mpage_readahead+0x43f/0x840
[ 187.706358][ T5180] ? ocfs2_readahead+0x269/0x320
[ 187.711458][ T5180] ? read_pages+0x193/0x1110
[ 187.716232][ T5180] ? page_cache_ra_unbounded+0x901/0x9f0
[ 187.722016][ T5180] ? force_page_cache_ra+0x3b1/0x4b0
[ 187.727451][ T5180] ? generic_fadvise+0x6b0/0xa90
[ 187.732608][ T5180] ? __x64_sys_fadvise64+0x1fb/0x3a0
[ 187.738033][ T5180] ? x64_sys_call+0xe11/0x3ba0
[ 187.742941][ T5180] ? do_syscall_64+0xcd/0x1e0
[ 187.747746][ T5180] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.753979][ T5180] ? kmsan_get_metadata+0x13e/0x1c0
[ 187.759324][ T5180] ? kmsan_internal_set_shadow_origin+0x69/0x100
[ 187.765789][ T5180] ? kmsan_get_metadata+0x13e/0x1c0
[ 187.771131][ T5180] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 187.777100][ T5180] ? _raw_spin_unlock_irqrestore+0x3f/0x60
[ 187.783074][ T5180] ? kmsan_get_metadata+0x13e/0x1c0
[ 187.788416][ T5180] ? kmsan_internal_set_shadow_origin+0x69/0x100
[ 187.794900][ T5180] ? kmsan_get_metadata+0x13e/0x1c0
[ 187.800243][ T5180] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 187.806197][ T5180] __msan_warning+0x95/0x120
[ 187.811016][ T5180] ocfs2_get_block+0xed2/0x2710
[ 187.816029][ T5180] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 187.822109][ T5180] ? __pfx_ocfs2_get_block+0x10/0x10
[ 187.827563][ T5180] do_mpage_readpage+0xc45/0x2780
[ 187.832881][ T5180] mpage_readahead+0x43f/0x840
[ 187.837814][ T5180] ? __pfx_ocfs2_get_block+0x10/0x10
[ 187.843269][ T5180] ocfs2_readahead+0x269/0x320
[ 187.848175][ T5180] ? __pfx_ocfs2_readahead+0x10/0x10
[ 187.853590][ T5180] read_pages+0x193/0x1110
[ 187.858139][ T5180] ? kmsan_get_metadata+0x13e/0x1c0
[ 187.863515][ T5180] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 187.869556][ T5180] page_cache_ra_unbounded+0x901/0x9f0
[ 187.875180][ T5180] force_page_cache_ra+0x3b1/0x4b0
[ 187.880435][ T5180] generic_fadvise+0x6b0/0xa90
[ 187.885377][ T5180] __x64_sys_fadvise64+0x1fb/0x3a0
[ 187.890752][ T5180] x64_sys_call+0xe11/0x3ba0
[ 187.895490][ T5180] do_syscall_64+0xcd/0x1e0
[ 187.900126][ T5180] ? clear_bhb_loop+0x25/0x80
[ 187.904984][ T5180] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 187.911067][ T5180] RIP: 0033:0x7f63d1e0cd59
[ 187.915592][ T5180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 187.935462][ T5180] RSP: 002b:00007ffc74b83298 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd
[ 187.944139][ T5180] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f63d1e0cd59
[ 187.952225][ T5180] RDX: 00000800000020fc RSI: 0000000000000000 RDI: 0000000000000004
[ 187.960389][ T5180] RBP: 00007f63d1e855f0 R08: 00005555864044c0 R09: 00005555864044c0
[ 187.968467][ T5180] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffc74b832c0
[ 187.976655][ T5180] R13: 00007ffc74b834e8 R14: 431bde82d7b634db R15: 00007f63d1e5603b
[ 187.984804][ T5180] </TASK>
[ 187.988252][ T5180] Kernel Offset: disabled
[ 187.992660][ T5180] Rebooting in 86400 seconds..