./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor75230823
<...>
Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts.
execve("./syz-executor75230823", ["./syz-executor75230823"], 0x7ffe8cdb5770 /* 10 vars */) = 0
brk(NULL) = 0x555580a46000
brk(0x555580a46d00) = 0x555580a46d00
arch_prctl(ARCH_SET_FS, 0x555580a46380) = 0
set_tid_address(0x555580a46650) = 5832
set_robust_list(0x555580a46660, 24) = 0
rseq(0x555580a46ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor75230823", 4096) = 26
getrandom("\x93\x76\xb4\x38\xe1\xa4\x93\xb8", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555580a46d00
brk(0x555580a67d00) = 0x555580a67d00
brk(0x555580a68000) = 0x555580a68000
mprotect(0x7fdd2508c000, 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
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./strace-static-x86_64: Process 5833 attached
, child_tidptr=0x555580a46650) = 5833
[pid 5833] set_robust_list(0x555580a46660, 24) = 0
[pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5833] setpgid(0, 0) = 0
[pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5833] write(3, "1000", 4) = 4
[pid 5833] close(3) = 0
executing program
[pid 5833] write(1, "executing program\n", 18) = 18
[pid 5833] memfd_create("syzkaller", 0) = 3
[pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdd1ca00000
[pid 5833] 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 5833] munmap(0x7fdd1ca00000, 138412032) = 0
[pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5833] close(3) = 0
[pid 5833] close(4) = 0
[pid 5833] mkdir("./file0", 0777) = 0
[ 72.396272][ T5833] loop0: detected capacity change from 0 to 32768
[ 72.426482][ T5833] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
[ 72.434880][ T5833] gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
[ 72.452094][ T5833] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms
[ 72.462061][ T9] gfs2: fsid=syz:syz.0: jid=0, already locked for use
[ 72.468873][ T9] gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
[pid 5833] mount("/dev/loop0", "./file0", "gfs2", MS_RDONLY|MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_NOATIME|MS_NODIRATIME|MS_SILENT, "data=ordered,ignore_local_fs,suiddir,errors=withdraw,loccookie,noacl,quota=off,norgrplvb,rgrplvb,rgr"...) = 0
[pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5833] chdir("./file0") = 0
[pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5833] openat(AT_FDCWD, ".", O_RDONLY) = 4
[ 72.513621][ T9] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 44ms
[ 72.522508][ T9] gfs2: fsid=syz:syz.0: jid=0: Done
[ 72.527967][ T5833] gfs2: fsid=syz:syz.0: first mount done, others may mount
[ 72.581144][ T5833] ------------[ cut here ]------------
[ 72.586621][ T5833] WARNING: CPU: 1 PID: 5833 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x44e/0x680
[ 72.596315][ T5833] Modules linked in:
[ 72.600381][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor752 Not tainted 6.14.0-rc7-syzkaller-00196-g88d324e69ea9 #0
[ 72.611548][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 72.621670][ T5833] RIP: 0010:gfs2_check_blk_type+0x44e/0x680
[ 72.627679][ T5833] Code: d4 01 00 00 8b 1b 89 df 44 89 f6 e8 5c 96 a2 fd 4c 89 74 24 10 44 39 f3 76 23 e8 8d 94 a2 fd 45 31 ed eb 70 e8 83 94 a2 fd 90 <0f> 0b 90 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 6a 94
[ 72.647439][ T5833] RSP: 0018:ffffc90003c278a0 EFLAGS: 00010293
[ 72.653579][ T5833] RAX: ffffffff841f4a9c RBX: ffff888029baa028 RCX: ffff888035129e00
[ 72.661818][ T5833] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
[ 72.669850][ T5833] RBP: ffffc90003c279b0 R08: ffffffff841f4a92 R09: 1ffff1100e2d5ddc
[ 72.677853][ T5833] R10: dffffc0000000000 R11: ffffed100e2d5ddd R12: 1ffff11005375406
[ 72.686034][ T5833] R13: ffff888029baa000 R14: 0000000000000012 R15: 0000000000000013
[ 72.694082][ T5833] FS: 0000555580a46380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 72.703149][ T5833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.709777][ T5833] CR2: 00007fdd250900f8 CR3: 0000000073b9a000 CR4: 0000000000350ef0
[ 72.717750][ T5833] Call Trace:
[ 72.721103][ T5833]
[ 72.724055][ T5833] ? __warn+0x165/0x4d0
[ 72.728229][ T5833] ? gfs2_check_blk_type+0x44e/0x680
[ 72.733583][ T5833] ? report_bug+0x2b3/0x500
[ 72.738164][ T5833] ? gfs2_check_blk_type+0x44e/0x680
[ 72.743536][ T5833] ? handle_bug+0x60/0x90
[ 72.747916][ T5833] ? exc_invalid_op+0x1a/0x50
[ 72.752785][ T5833] ? asm_exc_invalid_op+0x1a/0x20
[ 72.757864][ T5833] ? gfs2_check_blk_type+0x392/0x680
[ 72.763299][ T5833] ? gfs2_check_blk_type+0x39c/0x680
[ 72.768617][ T5833] ? gfs2_check_blk_type+0x44e/0x680
[ 72.773974][ T5833] ? __pfx_gfs2_check_blk_type+0x10/0x10
[ 72.779688][ T5833] ? gfs2_inode_lookup+0xafc/0xc90
[ 72.784809][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 72.790527][ T5833] ? gfs2_glock_wait+0x213/0x2b0
[ 72.795492][ T5833] gfs2_inode_lookup+0xafc/0xc90
[ 72.800530][ T5833] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.805708][ T5833] ? __pfx_gfs2_inode_lookup+0x10/0x10
[ 72.811267][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 72.816942][ T5833] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.822154][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 72.827855][ T5833] gfs2_lookup_by_inum+0x51/0xf0
[ 72.832862][ T5833] gfs2_fh_to_dentry+0x13a/0x1f0
[ 72.837843][ T5833] exportfs_decode_fh_raw+0x16d/0x730
[ 72.843318][ T5833] ? __pfx_vfs_dentry_acceptable+0x10/0x10
[ 72.849166][ T5833] ? __pfx_exportfs_decode_fh_raw+0x10/0x10
[ 72.855183][ T5833] do_handle_to_path+0xba/0x1b0
[ 72.860126][ T5833] do_handle_open+0x88d/0xb00
[ 72.864845][ T5833] ? __pfx_do_handle_open+0x10/0x10
[ 72.870107][ T5833] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 72.876475][ T5833] ? exc_page_fault+0x590/0x8b0
[ 72.881421][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 72.887129][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 72.892826][ T5833] do_syscall_64+0xf3/0x230
[ 72.897375][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.903373][ T5833] RIP: 0033:0x7fdd25006cd9
[ 72.907831][ T5833] 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
[ 72.927556][ T5833] RSP: 002b:00007ffe913b09f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 72.936061][ T5833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd25006cd9
[ 72.944132][ T5833] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000004
[ 72.952162][ T5833] RBP: 00007fdd2508c5f0 R08: 0000555580a474c0 R09: 0000555580a474c0
[ 72.960218][ T5833] R10: 0000000000012725 R11: 0000000000000246 R12: 00007ffe913b0a20
[ 72.968215][ T5833] R13: 00007ffe913b0c48 R14: 431bde82d7b634db R15: 00007fdd2504f03b
[ 72.976317][ T5833]
[ 72.979405][ T5833] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 72.986689][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor752 Not tainted 6.14.0-rc7-syzkaller-00196-g88d324e69ea9 #0
[ 72.997788][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 73.007860][ T5833] Call Trace:
[ 73.011131][ T5833]
[ 73.014055][ T5833] dump_stack_lvl+0x241/0x360
[ 73.018757][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10
[ 73.023954][ T5833] ? __pfx__printk+0x10/0x10
[ 73.028560][ T5833] ? _printk+0xd5/0x120
[ 73.032710][ T5833] ? __init_begin+0x41000/0x41000
[ 73.037740][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.043386][ T5833] ? vscnprintf+0x5d/0x90
[ 73.047717][ T5833] panic+0x349/0x880
[ 73.051624][ T5833] ? __warn+0x174/0x4d0
[ 73.055787][ T5833] ? __pfx_panic+0x10/0x10
[ 73.060210][ T5833] __warn+0x344/0x4d0
[ 73.064215][ T5833] ? gfs2_check_blk_type+0x44e/0x680
[ 73.069503][ T5833] report_bug+0x2b3/0x500
[ 73.073861][ T5833] ? gfs2_check_blk_type+0x44e/0x680
[ 73.079200][ T5833] handle_bug+0x60/0x90
[ 73.083377][ T5833] exc_invalid_op+0x1a/0x50
[ 73.087874][ T5833] asm_exc_invalid_op+0x1a/0x20
[ 73.092731][ T5833] RIP: 0010:gfs2_check_blk_type+0x44e/0x680
[ 73.098635][ T5833] Code: d4 01 00 00 8b 1b 89 df 44 89 f6 e8 5c 96 a2 fd 4c 89 74 24 10 44 39 f3 76 23 e8 8d 94 a2 fd 45 31 ed eb 70 e8 83 94 a2 fd 90 <0f> 0b 90 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 6a 94
[ 73.118248][ T5833] RSP: 0018:ffffc90003c278a0 EFLAGS: 00010293
[ 73.124332][ T5833] RAX: ffffffff841f4a9c RBX: ffff888029baa028 RCX: ffff888035129e00
[ 73.132331][ T5833] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
[ 73.140304][ T5833] RBP: ffffc90003c279b0 R08: ffffffff841f4a92 R09: 1ffff1100e2d5ddc
[ 73.148281][ T5833] R10: dffffc0000000000 R11: ffffed100e2d5ddd R12: 1ffff11005375406
[ 73.156256][ T5833] R13: ffff888029baa000 R14: 0000000000000012 R15: 0000000000000013
[ 73.164234][ T5833] ? gfs2_check_blk_type+0x392/0x680
[ 73.169530][ T5833] ? gfs2_check_blk_type+0x39c/0x680
[ 73.174836][ T5833] ? __pfx_gfs2_check_blk_type+0x10/0x10
[ 73.180475][ T5833] ? gfs2_inode_lookup+0xafc/0xc90
[ 73.185593][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.191244][ T5833] ? gfs2_glock_wait+0x213/0x2b0
[ 73.196194][ T5833] gfs2_inode_lookup+0xafc/0xc90
[ 73.201144][ T5833] ? gfs2_lookup_by_inum+0x51/0xf0
[ 73.206264][ T5833] ? __pfx_gfs2_inode_lookup+0x10/0x10
[ 73.211735][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.217389][ T5833] ? gfs2_lookup_by_inum+0x51/0xf0
[ 73.222509][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.228161][ T5833] gfs2_lookup_by_inum+0x51/0xf0
[ 73.233112][ T5833] gfs2_fh_to_dentry+0x13a/0x1f0
[ 73.238067][ T5833] exportfs_decode_fh_raw+0x16d/0x730
[ 73.243452][ T5833] ? __pfx_vfs_dentry_acceptable+0x10/0x10
[ 73.249272][ T5833] ? __pfx_exportfs_decode_fh_raw+0x10/0x10
[ 73.255205][ T5833] do_handle_to_path+0xba/0x1b0
[ 73.260076][ T5833] do_handle_open+0x88d/0xb00
[ 73.264761][ T5833] ? __pfx_do_handle_open+0x10/0x10
[ 73.269979][ T5833] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 73.276324][ T5833] ? exc_page_fault+0x590/0x8b0
[ 73.281211][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.286859][ T5833] ? srso_alias_return_thunk+0x5/0xfbef5
[ 73.292511][ T5833] do_syscall_64+0xf3/0x230
[ 73.297047][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 73.302959][ T5833] RIP: 0033:0x7fdd25006cd9
[ 73.307371][ T5833] 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
[ 73.327010][ T5833] RSP: 002b:00007ffe913b09f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 73.335448][ T5833] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd25006cd9
[ 73.343420][ T5833] RDX: 0000000000000000 RSI: 0000200000000080 RDI: 0000000000000004
[ 73.351390][ T5833] RBP: 00007fdd2508c5f0 R08: 0000555580a474c0 R09: 0000555580a474c0
[ 73.359364][ T5833] R10: 0000000000012725 R11: 0000000000000246 R12: 00007ffe913b0a20
[ 73.367330][ T5833] R13: 00007ffe913b0c48 R14: 431bde82d7b634db R15: 00007fdd2504f03b
[ 73.375317][ T5833]
[ 73.378532][ T5833] Kernel Offset: disabled
[ 73.382875][ T5833] Rebooting in 86400 seconds..