./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4216506972
<...>
DUID 00:04:e6:d8:3e:4c:c1:15:84:42:dc:00:60:8c:e3:5f:26:b4
forked to background, child pid 4661
[ 41.458775][ T4662] 8021q: adding VLAN 0 to HW filter on device bond0
[ 41.494988][ T4662] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.3' (ECDSA) to the list of known hosts.
execve("./syz-executor4216506972", ["./syz-executor4216506972"], 0x7ffd0a606740 /* 10 vars */) = 0
brk(NULL) = 0x555555e8b000
brk(0x555555e8bc40) = 0x555555e8bc40
arch_prctl(ARCH_SET_FS, 0x555555e8b300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4216506972", 4096) = 28
brk(0x555555eacc40) = 0x555555eacc40
brk(0x555555ead000) = 0x555555ead000
mprotect(0x7f776087a000, 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) = 0x7f77583ae000
syzkaller login: [ 71.291409][ T4995] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4995 'syz-executor421'
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(0x7f77583ae000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
[ 71.523705][ T4995] loop0: detected capacity change from 0 to 32768
[ 71.537895][ T4995] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0"
[ 71.546044][ T4995] gfs2: fsid=loop0: Now mounting FS (format 1801)...
[ 71.559239][ T4995] gfs2: fsid=loop0.0: journal 0 mapped with 3 extents in 0ms
[ 71.569558][ T26] gfs2: fsid=loop0.0: jid=0, already locked for use
[ 71.576261][ T26] gfs2: fsid=loop0.0: jid=0: Looking at journal...
[ 71.620535][ T26] gfs2: fsid=loop0.0: jid=0: Journal head lookup took 44ms
[ 71.628526][ T26] gfs2: fsid=loop0.0: jid=0: Done
[ 71.633707][ T4995] gfs2: fsid=loop0.0: first mount done, others may mount
mount("/dev/loop0", "./file0", "gfs2", 0, "discard,localcaching,barrier,nosuiddir,") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
[ 71.771853][ T4995] ------------[ cut here ]------------
[ 71.777390][ T4995] WARNING: CPU: 0 PID: 4995 at fs/gfs2/rgrp.c:2628 gfs2_check_blk_type+0x449/0x670
[ 71.787176][ T4995] Modules linked in:
[ 71.791144][ T4995] CPU: 0 PID: 4995 Comm: syz-executor421 Not tainted 6.4.0-rc7-syzkaller #0
[ 71.799877][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 71.809987][ T4995] RIP: 0010:gfs2_check_blk_type+0x449/0x670
[ 71.815895][ T4995] Code: 85 d2 01 00 00 8b 1b 89 df 44 89 f6 e8 f0 3b cf fd 4c 89 74 24 10 44 39 f3 76 21 e8 61 3a cf fd 45 31 ed eb 6e e8 57 3a cf fd <0f> 0b 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 40 3a cf
[ 71.835674][ T4995] RSP: 0018:ffffc90003a0f8c0 EFLAGS: 00010293
[ 71.841822][ T4995] RAX: ffffffff83bc4498 RBX: ffff8880219c4028 RCX: ffff888027478000
[ 71.849896][ T4995] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
[ 71.857966][ T4995] RBP: ffffc90003a0f9d0 R08: ffffffff83bc448e R09: ffffed100e71d8c9
[ 71.865977][ T4995] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004338806
[ 71.874022][ T4995] R13: ffff8880219c4000 R14: 0000000000000012 R15: 0000000000000013
[ 71.882050][ T4995] FS: 0000555555e8b300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 71.891033][ T4995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.897644][ T4995] CR2: 00005639d1b5cef8 CR3: 000000002663e000 CR4: 00000000003506f0
[ 71.905679][ T4995] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 71.913734][ T4995] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 71.921775][ T4995] Call Trace:
[ 71.925164][ T4995]
[ 71.928146][ T4995] ? __warn+0x162/0x4a0
[ 71.932338][ T4995] ? gfs2_check_blk_type+0x449/0x670
[ 71.937636][ T4995] ? report_bug+0x2b3/0x500
[ 71.942196][ T4995] ? gfs2_check_blk_type+0x449/0x670
[ 71.947523][ T4995] ? handle_bug+0x3d/0x70
[ 71.951917][ T4995] ? exc_invalid_op+0x1a/0x50
[ 71.956632][ T4995] ? asm_exc_invalid_op+0x1a/0x20
[ 71.961728][ T4995] ? gfs2_check_blk_type+0x38e/0x670
[ 71.967045][ T4995] ? gfs2_check_blk_type+0x398/0x670
[ 71.972415][ T4995] ? gfs2_check_blk_type+0x449/0x670
[ 71.977753][ T4995] ? gfs2_free_di+0x3c0/0x3c0
[ 71.982529][ T4995] ? gfs2_inode_lookup+0xb01/0xc50
[ 71.987696][ T4995] ? gfs2_glock_wait+0x213/0x2b0
[ 71.992733][ T4995] gfs2_inode_lookup+0xb01/0xc50
[ 71.997714][ T4995] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.002898][ T4995] ? set_meta_super+0x10/0x10
[ 72.007644][ T4995] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 72.013707][ T4995] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.018902][ T4995] ? mark_lock+0x9a/0x340
[ 72.023245][ T4995] gfs2_lookup_by_inum+0x51/0xf0
[ 72.028330][ T4995] gfs2_fh_to_dentry+0x135/0x200
[ 72.035230][ T4995] ? do_handle_open+0x960/0x960
[ 72.040906][ T4995] exportfs_decode_fh_raw+0x144/0x590
[ 72.046328][ T4995] ? do_handle_open+0x960/0x960
[ 72.051326][ T4995] ? exportfs_encode_fh+0x430/0x430
[ 72.056609][ T4995] ? asm_common_interrupt+0x26/0x40
[ 72.061948][ T4995] ? do_handle_open+0x960/0x960
[ 72.066839][ T4995] exportfs_decode_fh+0x3c/0x70
[ 72.071791][ T4995] do_handle_open+0x450/0x960
[ 72.076505][ T4995] ? __x64_compat_sys_open_by_handle_at+0x80/0x80
[ 72.082992][ T4995] ? syscall_enter_from_user_mode+0x32/0x230
[ 72.089067][ T4995] ? syscall_enter_from_user_mode+0x8c/0x230
[ 72.095084][ T4995] do_syscall_64+0x41/0xc0
[ 72.099596][ T4995] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 72.105537][ T4995] RIP: 0033:0x7f77607fa7a9
[ 72.110028][ T4995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 72.129694][ T4995] RSP: 002b:00007fff40dbb918 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 72.138285][ T4995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77607fa7a9
[ 72.146297][ T4995] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
[ 72.154338][ T4995] RBP: 00007f77607ba070 R08: 0000000000012527 R09: 0000000000000000
[ 72.162416][ T4995] R10: 00007fff40dbb7d0 R11: 0000000000000246 R12: 00007f77607ba100
[ 72.170448][ T4995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 72.178483][ T4995]
[ 72.181507][ T4995] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 72.188786][ T4995] CPU: 0 PID: 4995 Comm: syz-executor421 Not tainted 6.4.0-rc7-syzkaller #0
[ 72.197462][ T4995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 72.207523][ T4995] Call Trace:
[ 72.210816][ T4995]
[ 72.213759][ T4995] dump_stack_lvl+0x1e7/0x2d0
[ 72.218461][ T4995] ? nf_tcp_handle_invalid+0x650/0x650
[ 72.223936][ T4995] ? panic+0x770/0x770
[ 72.228032][ T4995] ? vscnprintf+0x5d/0x80
[ 72.232381][ T4995] panic+0x30f/0x770
[ 72.236294][ T4995] ? __warn+0x171/0x4a0
[ 72.240468][ T4995] ? __memcpy_flushcache+0x2b0/0x2b0
[ 72.245875][ T4995] __warn+0x314/0x4a0
[ 72.249891][ T4995] ? gfs2_check_blk_type+0x449/0x670
[ 72.255202][ T4995] report_bug+0x2b3/0x500
[ 72.259554][ T4995] ? gfs2_check_blk_type+0x449/0x670
[ 72.264863][ T4995] handle_bug+0x3d/0x70
[ 72.269051][ T4995] exc_invalid_op+0x1a/0x50
[ 72.273568][ T4995] asm_exc_invalid_op+0x1a/0x20
[ 72.278439][ T4995] RIP: 0010:gfs2_check_blk_type+0x449/0x670
[ 72.284355][ T4995] Code: 85 d2 01 00 00 8b 1b 89 df 44 89 f6 e8 f0 3b cf fd 4c 89 74 24 10 44 39 f3 76 21 e8 61 3a cf fd 45 31 ed eb 6e e8 57 3a cf fd <0f> 0b 41 bf f9 ff ff ff 48 8b 5c 24 18 e9 46 01 00 00 e8 40 3a cf
[ 72.304176][ T4995] RSP: 0018:ffffc90003a0f8c0 EFLAGS: 00010293
[ 72.310266][ T4995] RAX: ffffffff83bc4498 RBX: ffff8880219c4028 RCX: ffff888027478000
[ 72.318274][ T4995] RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000013
[ 72.326792][ T4995] RBP: ffffc90003a0f9d0 R08: ffffffff83bc448e R09: ffffed100e71d8c9
[ 72.334795][ T4995] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11004338806
[ 72.342805][ T4995] R13: ffff8880219c4000 R14: 0000000000000012 R15: 0000000000000013
[ 72.350889][ T4995] ? gfs2_check_blk_type+0x38e/0x670
[ 72.356196][ T4995] ? gfs2_check_blk_type+0x398/0x670
[ 72.361688][ T4995] ? gfs2_free_di+0x3c0/0x3c0
[ 72.366385][ T4995] ? gfs2_inode_lookup+0xb01/0xc50
[ 72.371545][ T4995] ? gfs2_glock_wait+0x213/0x2b0
[ 72.376539][ T4995] gfs2_inode_lookup+0xb01/0xc50
[ 72.381537][ T4995] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.387135][ T4995] ? set_meta_super+0x10/0x10
[ 72.391858][ T4995] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 72.397783][ T4995] ? gfs2_lookup_by_inum+0x51/0xf0
[ 72.402926][ T4995] ? mark_lock+0x9a/0x340
[ 72.407282][ T4995] gfs2_lookup_by_inum+0x51/0xf0
[ 72.412251][ T4995] gfs2_fh_to_dentry+0x135/0x200
[ 72.417220][ T4995] ? do_handle_open+0x960/0x960
[ 72.422477][ T4995] exportfs_decode_fh_raw+0x144/0x590
[ 72.427918][ T4995] ? do_handle_open+0x960/0x960
[ 72.432822][ T4995] ? exportfs_encode_fh+0x430/0x430
[ 72.438092][ T4995] ? asm_common_interrupt+0x26/0x40
[ 72.444040][ T4995] ? do_handle_open+0x960/0x960
[ 72.449039][ T4995] exportfs_decode_fh+0x3c/0x70
[ 72.453924][ T4995] do_handle_open+0x450/0x960
[ 72.458626][ T4995] ? __x64_compat_sys_open_by_handle_at+0x80/0x80
[ 72.465158][ T4995] ? syscall_enter_from_user_mode+0x32/0x230
[ 72.471170][ T4995] ? syscall_enter_from_user_mode+0x8c/0x230
[ 72.477182][ T4995] do_syscall_64+0x41/0xc0
[ 72.481707][ T4995] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 72.487625][ T4995] RIP: 0033:0x7f77607fa7a9
[ 72.492055][ T4995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 72.511687][ T4995] RSP: 002b:00007fff40dbb918 EFLAGS: 00000246 ORIG_RAX: 0000000000000130
[ 72.520124][ T4995] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f77607fa7a9
[ 72.528113][ T4995] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
[ 72.536101][ T4995] RBP: 00007f77607ba070 R08: 0000000000012527 R09: 0000000000000000
[ 72.544092][ T4995] R10: 00007fff40dbb7d0 R11: 0000000000000246 R12: 00007f77607ba100
[ 72.552078][ T4995] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 72.560083][ T4995]
[ 72.563547][ T4995] Kernel Offset: disabled
[ 72.567961][ T4995] Rebooting in 86400 seconds..