./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2755491418
<...>
Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts.
execve("./syz-executor2755491418", ["./syz-executor2755491418"], 0x7fff66890730 /* 10 vars */) = 0
brk(NULL) = 0x55557d15b000
brk(0x55557d15bd00) = 0x55557d15bd00
arch_prctl(ARCH_SET_FS, 0x55557d15b380) = 0
set_tid_address(0x55557d15b650) = 5823
set_robust_list(0x55557d15b660, 24) = 0
rseq(0x55557d15bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2755491418", 4096) = 28
getrandom("\x13\xd0\xa5\x8d\x54\xb7\xbc\xfb", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557d15bd00
brk(0x55557d17cd00) = 0x55557d17cd00
brk(0x55557d17d000) = 0x55557d17d000
mprotect(0x7f9e8f1f3000, 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=0x55557d15b650) = 5824
./strace-static-x86_64: Process 5824 attached
[pid 5824] set_robust_list(0x55557d15b660, 24) = 0
[pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5824] setpgid(0, 0) = 0
[pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5824] write(3, "1000", 4) = 4
[pid 5824] close(3) = 0
[pid 5824] write(1, "executing program\n", 18executing program
) = 18
[pid 5824] memfd_create("syzkaller", 0) = 3
[pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9e86c00000
[pid 5824] 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"..., 1048576) = 1048576
[pid 5824] munmap(0x7f9e86c00000, 138412032) = 0
[pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5824] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5824] close(3) = 0
[pid 5824] close(4) = 0
[pid 5824] mkdir("./file0", 0777) = 0
[pid 5824] mount("/dev/loop0", "./file0", "udf", MS_NOSUID|MS_DIRSYNC, "iocharset=koi8-r,unhide,iocharset=cp737,dmode=00000000000000000000011,fileset=00000000000000001023,u"...) = 0
[pid 5824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5824] chdir("./file0") = 0
[pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 53.654337][ T5824] loop0: detected capacity change from 0 to 2048
[ 53.676359][ T5824] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d
[ 53.688124][ T5824] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[pid 5824] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOATIME, 0270) = 4
[ 53.737249][ T29] audit: type=1800 audit(1735151799.326:2): pid=5824 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor275" name="file1" dev="loop0" ino=1346 res=0 errno=0
[ 53.768453][ T5824] ------------[ cut here ]------------
[ 53.774094][ T5824] WARNING: CPU: 0 PID: 5824 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310
[ 53.783930][ T5824] Modules linked in:
[ 53.787855][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor275 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 53.799090][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 53.809182][ T5824] RIP: 0010:udf_truncate_extents+0x10c8/0x1310
[ 53.815331][ T5824] Code: 48 3b 84 24 a0 01 00 00 0f 85 4b 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 69 6c 77 fe 90 <0f> 0b 90 eb 8c 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f
[ 53.834972][ T5824] RSP: 0018:ffffc900038c7740 EFLAGS: 00010293
[ 53.841121][ T5824] RAX: ffffffff83280777 RBX: 000000000000000a RCX: ffff888078ccbc00
[ 53.849149][ T5824] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 53.857128][ T5824] RBP: ffffc900038c7930 R08: ffffffff8327fb98 R09: ffffffff8325d9ad
[ 53.865137][ T5824] R10: 0000000000000002 R11: ffff888078ccbc00 R12: dffffc0000000000
[ 53.873142][ T5824] R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
[ 53.881168][ T5824] FS: 000055557d15b380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 53.890159][ T5824] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 53.896754][ T5824] CR2: 00007f9e8f1f70f8 CR3: 000000007c7e2000 CR4: 00000000003526f0
[ 53.904762][ T5824] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 53.912788][ T5824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 53.920800][ T5824] Call Trace:
[ 53.924097][ T5824]
[ 53.927022][ T5824] ? __warn+0x165/0x4d0
[ 53.931214][ T5824] ? udf_truncate_extents+0x10c8/0x1310
[ 53.936778][ T5824] ? report_bug+0x2b3/0x500
[ 53.941323][ T5824] ? udf_truncate_extents+0x10c8/0x1310
[ 53.946893][ T5824] ? handle_bug+0x60/0x90
[ 53.951287][ T5824] ? exc_invalid_op+0x1a/0x50
[ 53.956022][ T5824] ? asm_exc_invalid_op+0x1a/0x20
[ 53.961222][ T5824] ? udf_current_aext+0x3bd/0xad0
[ 53.966279][ T5824] ? udf_truncate_extents+0x4e8/0x1310
[ 53.971800][ T5824] ? udf_truncate_extents+0x10c7/0x1310
[ 53.977442][ T5824] ? udf_truncate_extents+0x10c8/0x1310
[ 53.983015][ T5824] ? __pfx_udf_truncate_extents+0x10/0x10
[ 53.988855][ T5824] ? __pfx_lock_release+0x10/0x10
[ 53.993907][ T5824] ? do_raw_spin_lock+0x14f/0x370
[ 53.998971][ T5824] ? do_raw_spin_unlock+0x13c/0x8b0
[ 54.004300][ T5824] udf_write_failed+0x176/0x1b0
[ 54.009217][ T5824] udf_direct_IO+0x1c9/0x210
[ 54.014071][ T5824] generic_file_direct_write+0x1e6/0x400
[ 54.019948][ T5824] __generic_file_write_iter+0x126/0x230
[ 54.025657][ T5824] ? udf_file_write_iter+0x2e7/0x660
[ 54.031084][ T5824] udf_file_write_iter+0x2fc/0x660
[ 54.036322][ T5824] do_iter_readv_writev+0x600/0x880
[ 54.041600][ T5824] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 54.047383][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.052183][ T5824] ? bpf_lsm_file_permission+0x9/0x10
[ 54.057638][ T5824] ? preempt_count_add+0x93/0x190
[ 54.062676][ T5824] vfs_writev+0x376/0xba0
[ 54.066996][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.071800][ T5824] ? __pfx_vfs_writev+0x10/0x10
[ 54.076662][ T5824] ? _raw_spin_lock_irq+0xdf/0x120
[ 54.081839][ T5824] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.087046][ T5824] ? ptrace_notify+0x279/0x380
[ 54.091849][ T5824] __se_sys_pwritev2+0x196/0x2b0
[ 54.096813][ T5824] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 54.102313][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.107110][ T5824] ? __x64_sys_pwritev2+0x21/0xf0
[ 54.112180][ T5824] do_syscall_64+0xf3/0x230
[ 54.116751][ T5824] ? clear_bhb_loop+0x35/0x90
[ 54.121730][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.127660][ T5824] RIP: 0033:0x7f9e8f17eed9
[ 54.132073][ T5824] 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
[ 54.151807][ T5824] RSP: 002b:00007ffdf6ffdac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 54.160488][ T5824] RAX: ffffffffffffffda RBX: 00007f9e8f1c809d RCX: 00007f9e8f17eed9
[ 54.168527][ T5824] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000004
[ 54.176637][ T5824] RBP: 00007f9e8f1f35f0 R08: 0000000000000000 R09: 0000000000000000
[ 54.184646][ T5824] R10: 0000000000800001 R11: 0000000000000246 R12: 00007ffdf6ffdb00
[ 54.192743][ T5824] R13: 00007ffdf6ffdd28 R14: 431bde82d7b634db R15: 00007f9e8f1c803b
[ 54.200751][ T5824]
[ 54.203788][ T5824] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 54.211145][ T5824] CPU: 0 UID: 0 PID: 5824 Comm: syz-executor275 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 54.222336][ T5824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 54.232472][ T5824] Call Trace:
[ 54.235745][ T5824]
[ 54.238697][ T5824] dump_stack_lvl+0x241/0x360
[ 54.243375][ T5824] ? __pfx_dump_stack_lvl+0x10/0x10
[ 54.248823][ T5824] ? __pfx__printk+0x10/0x10
[ 54.253605][ T5824] ? _printk+0xd5/0x120
[ 54.257753][ T5824] ? __init_begin+0x41000/0x41000
[ 54.262783][ T5824] ? vscnprintf+0x5d/0x90
[ 54.267133][ T5824] panic+0x349/0x880
[ 54.271020][ T5824] ? __warn+0x174/0x4d0
[ 54.275262][ T5824] ? __pfx_panic+0x10/0x10
[ 54.279677][ T5824] __warn+0x344/0x4d0
[ 54.283651][ T5824] ? udf_truncate_extents+0x10c8/0x1310
[ 54.289626][ T5824] report_bug+0x2b3/0x500
[ 54.293972][ T5824] ? udf_truncate_extents+0x10c8/0x1310
[ 54.299691][ T5824] handle_bug+0x60/0x90
[ 54.303881][ T5824] exc_invalid_op+0x1a/0x50
[ 54.308386][ T5824] asm_exc_invalid_op+0x1a/0x20
[ 54.313269][ T5824] RIP: 0010:udf_truncate_extents+0x10c8/0x1310
[ 54.319528][ T5824] Code: 48 3b 84 24 a0 01 00 00 0f 85 4b 02 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 69 6c 77 fe 90 <0f> 0b 90 eb 8c 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f
[ 54.339180][ T5824] RSP: 0018:ffffc900038c7740 EFLAGS: 00010293
[ 54.345348][ T5824] RAX: ffffffff83280777 RBX: 000000000000000a RCX: ffff888078ccbc00
[ 54.353308][ T5824] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 54.361271][ T5824] RBP: ffffc900038c7930 R08: ffffffff8327fb98 R09: ffffffff8325d9ad
[ 54.369240][ T5824] R10: 0000000000000002 R11: ffff888078ccbc00 R12: dffffc0000000000
[ 54.377204][ T5824] R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
[ 54.385165][ T5824] ? udf_current_aext+0x3bd/0xad0
[ 54.390190][ T5824] ? udf_truncate_extents+0x4e8/0x1310
[ 54.395644][ T5824] ? udf_truncate_extents+0x10c7/0x1310
[ 54.401194][ T5824] ? __pfx_udf_truncate_extents+0x10/0x10
[ 54.406916][ T5824] ? __pfx_lock_release+0x10/0x10
[ 54.411932][ T5824] ? do_raw_spin_lock+0x14f/0x370
[ 54.416951][ T5824] ? do_raw_spin_unlock+0x13c/0x8b0
[ 54.422152][ T5824] udf_write_failed+0x176/0x1b0
[ 54.427027][ T5824] udf_direct_IO+0x1c9/0x210
[ 54.431612][ T5824] generic_file_direct_write+0x1e6/0x400
[ 54.437246][ T5824] __generic_file_write_iter+0x126/0x230
[ 54.442872][ T5824] ? udf_file_write_iter+0x2e7/0x660
[ 54.448146][ T5824] udf_file_write_iter+0x2fc/0x660
[ 54.453248][ T5824] do_iter_readv_writev+0x600/0x880
[ 54.458446][ T5824] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 54.464161][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.468917][ T5824] ? bpf_lsm_file_permission+0x9/0x10
[ 54.474284][ T5824] ? preempt_count_add+0x93/0x190
[ 54.479300][ T5824] vfs_writev+0x376/0xba0
[ 54.483628][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.488402][ T5824] ? __pfx_vfs_writev+0x10/0x10
[ 54.493267][ T5824] ? _raw_spin_lock_irq+0xdf/0x120
[ 54.498391][ T5824] ? _raw_spin_unlock_irq+0x2e/0x50
[ 54.503591][ T5824] ? ptrace_notify+0x279/0x380
[ 54.508351][ T5824] __se_sys_pwritev2+0x196/0x2b0
[ 54.513286][ T5824] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 54.518750][ T5824] ? rcu_is_watching+0x15/0xb0
[ 54.523513][ T5824] ? __x64_sys_pwritev2+0x21/0xf0
[ 54.528531][ T5824] do_syscall_64+0xf3/0x230
[ 54.533062][ T5824] ? clear_bhb_loop+0x35/0x90
[ 54.537734][ T5824] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 54.543620][ T5824] RIP: 0033:0x7f9e8f17eed9
[ 54.548038][ T5824] 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
[ 54.567659][ T5824] RSP: 002b:00007ffdf6ffdac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 54.576069][ T5824] RAX: ffffffffffffffda RBX: 00007f9e8f1c809d RCX: 00007f9e8f17eed9
[ 54.584055][ T5824] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000004
[ 54.592020][ T5824] RBP: 00007f9e8f1f35f0 R08: 0000000000000000 R09: 0000000000000000
[ 54.599982][ T5824] R10: 0000000000800001 R11: 0000000000000246 R12: 00007ffdf6ffdb00
[ 54.608013][ T5824] R13: 00007ffdf6ffdd28 R14: 431bde82d7b634db R15: 00007f9e8f1c803b
[ 54.615983][ T5824]
[ 54.619320][ T5824] Kernel Offset: disabled
[ 54.623632][ T5824] Rebooting in 86400 seconds..