./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1638454989
<...>
Warning: Permanently added '10.128.1.152' (ED25519) to the list of known hosts.
execve("./syz-executor1638454989", ["./syz-executor1638454989"], 0x7ffc08928660 /* 10 vars */) = 0
brk(NULL) = 0x555555781000
brk(0x555555781d00) = 0x555555781d00
arch_prctl(ARCH_SET_FS, 0x555555781380) = 0
set_tid_address(0x555555781650) = 5059
set_robust_list(0x555555781660, 24) = 0
rseq(0x555555781ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1638454989", 4096) = 28
getrandom("\x5c\x34\x26\xdc\xa6\x05\xf4\x97", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555781d00
brk(0x5555557a2d00) = 0x5555557a2d00
brk(0x5555557a3000) = 0x5555557a3000
mprotect(0x7f7465842000, 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) = 0x7f745d200000
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(0x7f745d200000, 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
mount("/dev/loop0", "./file0", "jfs", MS_NOSUID, "usrquota,iocharset=cp866,errors=remount-ro,resize=0x0000000000000001,resize=0x0000000000000000,error"...) = 0
[ 77.212678][ T5059] loop0: detected capacity change from 0 to 32768
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
mkdir("./bus", 000) = 0
rename("./file0", "./bus") = -1 EIO (Input/output error)
chdir("./bus") = 0
[ 77.325036][ T5059] read_mapping_page failed!
[ 77.329964][ T5059] ERROR: (device loop0): txCommit:
[ 77.329964][ T5059]
[ 77.340915][ T5059] ------------[ cut here ]------------
[ 77.346630][ T5059] WARNING: CPU: 1 PID: 5059 at fs/inode.c:388 inc_nlink+0x129/0x140
[ 77.354650][ T5059] Modules linked in:
[ 77.358743][ T5059] CPU: 1 PID: 5059 Comm: syz-executor163 Not tainted 6.8.0-rc7-syzkaller-00250-g137e0ec05aeb #0
[ 77.369246][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 77.379411][ T5059] RIP: 0010:inc_nlink+0x129/0x140
[ 77.384481][ T5059] Code: ff e9 33 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 45 ff ff ff 4c 89 ef e8 d2 a6 e7 ff e9 38 ff ff ff e8 38 d5 88 ff 90 <0f> 0b 90 e9 7b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
[ 77.404263][ T5059] RSP: 0018:ffffc9000406fb08 EFLAGS: 00010293
[ 77.410449][ T5059] RAX: ffffffff820a98c8 RBX: 1ffff1100e220657 RCX: ffff8880231ebb80
[ 77.418659][ T5059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 77.426706][ T5059] RBP: 0000000000000000 R08: ffffffff820a9842 R09: 1ffffffff1f0881d
[ 77.434689][ T5059] R10: dffffc0000000000 R11: fffffbfff1f0881e R12: dffffc0000000000
[ 77.442795][ T5059] R13: ffff8880711032b8 R14: ffff888071103270 R15: 0000000000000007
[ 77.450828][ T5059] FS: 0000555555781380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 77.459887][ T5059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 77.466560][ T5059] CR2: 000000000066c7e0 CR3: 0000000020aac000 CR4: 00000000003506f0
[ 77.474579][ T5059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 77.482824][ T5059] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 77.490952][ T5059] Call Trace:
[ 77.494259][ T5059]
[ 77.497321][ T5059] ? __warn+0x162/0x4b0
[ 77.501518][ T5059] ? inc_nlink+0x129/0x140
[ 77.506070][ T5059] ? report_bug+0x2b3/0x500
[ 77.510903][ T5059] ? inc_nlink+0x129/0x140
[ 77.515362][ T5059] ? handle_bug+0x3e/0x70
[ 77.519997][ T5059] ? exc_invalid_op+0x1a/0x50
[ 77.524846][ T5059] ? asm_exc_invalid_op+0x1a/0x20
[ 77.530151][ T5059] ? inc_nlink+0xa2/0x140
[ 77.534524][ T5059] ? inc_nlink+0x128/0x140
[ 77.539068][ T5059] ? inc_nlink+0x129/0x140
[ 77.543873][ T5059] ? inc_nlink+0x128/0x140
[ 77.548376][ T5059] jfs_mkdir+0x8ea/0xb90
[ 77.552876][ T5059] ? __pfx_jfs_mkdir+0x10/0x10
[ 77.557874][ T5059] ? generic_permission+0x240/0x550
[ 77.563137][ T5059] ? bpf_lsm_inode_mkdir+0x9/0x10
[ 77.568250][ T5059] ? security_inode_mkdir+0xc2/0x110
[ 77.573594][ T5059] vfs_mkdir+0x2f9/0x4b0
[ 77.577953][ T5059] do_mkdirat+0x264/0x3a0
[ 77.582325][ T5059] ? __pfx_do_mkdirat+0x10/0x10
[ 77.587298][ T5059] ? getname_flags+0x1fd/0x4f0
[ 77.592205][ T5059] __x64_sys_mkdir+0x6e/0x80
[ 77.596912][ T5059] do_syscall_64+0xf9/0x240
[ 77.601503][ T5059] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 77.607563][ T5059] RIP: 0033:0x7f74657c9a39
[ 77.612037][ T5059] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 77.632251][ T5059] RSP: 002b:00007ffe88c101f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 77.640823][ T5059] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f74657c9a39
[ 77.648953][ T5059] RDX: 00007f74657c9a39 RSI: 0000000000000000 RDI: 0000000020000100
[ 77.657136][ T5059] RBP: 00007f746581204b R08: 0000000000000000 R09: 0000000000000000
[ 77.665135][ T5059] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 77.673567][ T5059] R13: 00007ffe88c103d8 R14: 0000000000000001 R15: 0000000000000001
[ 77.681670][ T5059]
[ 77.684767][ T5059] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 77.692069][ T5059] CPU: 1 PID: 5059 Comm: syz-executor163 Not tainted 6.8.0-rc7-syzkaller-00250-g137e0ec05aeb #0
[ 77.702608][ T5059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
[ 77.712672][ T5059] Call Trace:
[ 77.715956][ T5059]
[ 77.718914][ T5059] dump_stack_lvl+0x1e7/0x2e0
[ 77.723603][ T5059] ? __pfx_dump_stack_lvl+0x10/0x10
[ 77.728830][ T5059] ? __pfx__printk+0x10/0x10
[ 77.733481][ T5059] ? vscnprintf+0x5d/0x90
[ 77.737843][ T5059] panic+0x349/0x860
[ 77.741769][ T5059] ? __warn+0x171/0x4b0
[ 77.745949][ T5059] ? __pfx_panic+0x10/0x10
[ 77.750407][ T5059] __warn+0x31c/0x4b0
[ 77.754421][ T5059] ? inc_nlink+0x129/0x140
[ 77.758857][ T5059] report_bug+0x2b3/0x500
[ 77.763201][ T5059] ? inc_nlink+0x129/0x140
[ 77.767649][ T5059] handle_bug+0x3e/0x70
[ 77.771959][ T5059] exc_invalid_op+0x1a/0x50
[ 77.776476][ T5059] asm_exc_invalid_op+0x1a/0x20
[ 77.781361][ T5059] RIP: 0010:inc_nlink+0x129/0x140
[ 77.786407][ T5059] Code: ff e9 33 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 45 ff ff ff 4c 89 ef e8 d2 a6 e7 ff e9 38 ff ff ff e8 38 d5 88 ff 90 <0f> 0b 90 e9 7b ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
[ 77.806044][ T5059] RSP: 0018:ffffc9000406fb08 EFLAGS: 00010293
[ 77.812131][ T5059] RAX: ffffffff820a98c8 RBX: 1ffff1100e220657 RCX: ffff8880231ebb80
[ 77.820118][ T5059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 77.828099][ T5059] RBP: 0000000000000000 R08: ffffffff820a9842 R09: 1ffffffff1f0881d
[ 77.836095][ T5059] R10: dffffc0000000000 R11: fffffbfff1f0881e R12: dffffc0000000000
[ 77.844187][ T5059] R13: ffff8880711032b8 R14: ffff888071103270 R15: 0000000000000007
[ 77.852265][ T5059] ? inc_nlink+0xa2/0x140
[ 77.856734][ T5059] ? inc_nlink+0x128/0x140
[ 77.861205][ T5059] ? inc_nlink+0x128/0x140
[ 77.865735][ T5059] jfs_mkdir+0x8ea/0xb90
[ 77.870007][ T5059] ? __pfx_jfs_mkdir+0x10/0x10
[ 77.874833][ T5059] ? generic_permission+0x240/0x550
[ 77.880063][ T5059] ? bpf_lsm_inode_mkdir+0x9/0x10
[ 77.885108][ T5059] ? security_inode_mkdir+0xc2/0x110
[ 77.890413][ T5059] vfs_mkdir+0x2f9/0x4b0
[ 77.894682][ T5059] do_mkdirat+0x264/0x3a0
[ 77.899063][ T5059] ? __pfx_do_mkdirat+0x10/0x10
[ 77.903962][ T5059] ? getname_flags+0x1fd/0x4f0
[ 77.908751][ T5059] __x64_sys_mkdir+0x6e/0x80
[ 77.913370][ T5059] do_syscall_64+0xf9/0x240
[ 77.917896][ T5059] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 77.923816][ T5059] RIP: 0033:0x7f74657c9a39
[ 77.928248][ T5059] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 77.947871][ T5059] RSP: 002b:00007ffe88c101f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 77.956301][ T5059] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f74657c9a39
[ 77.964302][ T5059] RDX: 00007f74657c9a39 RSI: 0000000000000000 RDI: 0000000020000100
[ 77.972314][ T5059] RBP: 00007f746581204b R08: 0000000000000000 R09: 0000000000000000
[ 77.980304][ T5059] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 77.988286][ T5059] R13: 00007ffe88c103d8 R14: 0000000000000001 R15: 0000000000000001
[ 77.996285][ T5059]
[ 77.999673][ T5059] Kernel Offset: disabled
[ 78.004636][ T5059] Rebooting in 86400 seconds..