./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2365222884
<...>
Warning: Permanently added '10.128.1.73' (ED25519) to the list of known hosts.
execve("./syz-executor2365222884", ["./syz-executor2365222884"], 0x7fff0ba0db00 /* 10 vars */) = 0
brk(NULL) = 0x55558d4b4000
brk(0x55558d4b4d00) = 0x55558d4b4d00
arch_prctl(ARCH_SET_FS, 0x55558d4b4380) = 0
set_tid_address(0x55558d4b4650) = 5820
set_robust_list(0x55558d4b4660, 24) = 0
rseq(0x55558d4b4ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2365222884", 4096) = 28
getrandom("\x22\x08\x04\x39\xd0\x69\xa1\xed", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558d4b4d00
brk(0x55558d4d5d00) = 0x55558d4d5d00
brk(0x55558d4d6000) = 0x55558d4d6000
mprotect(0x7fee3c5ae000, 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
write(1, "executing program\n", 18executing program
) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee34000000
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
munmap(0x7fee34000000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file1", 0777) = 0
[ 79.558386][ T5820] loop0: detected capacity change from 0 to 2048
[ 79.593119][ T5820] =======================================================
[ 79.593119][ T5820] WARNING: The mand mount option has been deprecated and
mount("/dev/loop0", "./file1", "udf", MS_MANDLOCK|MS_REC, "lastblock=00000000000000000000,umask=00000000000000000000002,dmode=00000000000000000077777,novrs,sho"...) = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 79.593119][ T5820] and is ignored by this kernel. Remove the mand
[ 79.593119][ T5820] option from the mount to silence this warning.
[ 79.593119][ T5820] =======================================================
[ 79.633870][ T5820] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
open("./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 0206) = 4
[ 79.690671][ T30] audit: type=1800 audit(1745876809.133:2): pid=5820 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor236" name="file1" dev="loop0" ino=1346 res=0 errno=0
[ 79.703834][ T5820] ------------[ cut here ]------------
[ 79.716409][ T5820] WARNING: CPU: 1 PID: 5820 at fs/udf/truncate.c:224 udf_truncate_extents+0xd4c/0xec0
[ 79.726023][ T5820] Modules linked in:
[ 79.729993][ T5820] CPU: 1 UID: 0 PID: 5820 Comm: syz-executor236 Not tainted 6.15.0-rc4-syzkaller-00011-gf15d97df5afa #0 PREEMPT(full)
[ 79.742590][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 79.752840][ T5820] RIP: 0010:udf_truncate_extents+0xd4c/0xec0
[ 79.758928][ T5820] Code: 2c 40 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 55 0a 8e fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef
[ 79.778601][ T5820] RSP: 0018:ffffc90003e0f7e0 EFLAGS: 00010293
[ 79.784722][ T5820] RAX: ffffffff8331b38b RBX: 1ffff1100f86e008 RCX: ffff88806203da00
[ 79.792871][ T5820] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 79.800915][ T5820] RBP: ffffc90003e0f9a8 R08: ffff88806203da00 R09: 0000000000000002
[ 79.809041][ T5820] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[ 79.817069][ T5820] R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a
[ 79.825087][ T5820] FS: 000055558d4b4380(0000) GS:ffff888126202000(0000) knlGS:0000000000000000
[ 79.834033][ T5820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.840658][ T5820] CR2: 000000000066c7e0 CR3: 0000000031c3c000 CR4: 00000000003526f0
[ 79.848681][ T5820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.856692][ T5820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.864679][ T5820] Call Trace:
[ 79.867992][ T5820]
[ 79.870947][ T5820] ? __pfx_udf_truncate_extents+0x10/0x10
[ 79.876748][ T5820] ? do_raw_spin_unlock+0x122/0x240
[ 79.881966][ T5820] udf_write_failed+0x185/0x1c0
[ 79.886862][ T5820] udf_direct_IO+0x1c6/0x200
[ 79.891472][ T5820] generic_file_direct_write+0x1d8/0x3e0
[ 79.897158][ T5820] ? file_update_time+0x416/0x490
[ 79.902199][ T5820] __generic_file_write_iter+0x11d/0x230
[ 79.908324][ T5820] ? udf_file_write_iter+0x2c4/0x6c0
[ 79.913649][ T5820] udf_file_write_iter+0x2d5/0x6c0
[ 79.918829][ T5820] do_iter_readv_writev+0x56b/0x7f0
[ 79.924051][ T5820] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 79.929825][ T5820] ? rcu_read_lock_any_held+0xb3/0x120
[ 79.935357][ T5820] vfs_writev+0x306/0x9a0
[ 79.939703][ T5820] ? __pfx_vfs_writev+0x10/0x10
[ 79.944559][ T5820] ? _raw_spin_unlock_irq+0x23/0x50
[ 79.949820][ T5820] ? _raw_spin_unlock_irq+0x2e/0x50
[ 79.955081][ T5820] ? ptrace_notify+0x22d/0x2c0
[ 79.959858][ T5820] __se_sys_pwritev2+0x179/0x290
[ 79.964798][ T5820] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 79.970312][ T5820] ? __x64_sys_pwritev2+0x20/0xc0
[ 79.975393][ T5820] do_syscall_64+0xf6/0x210
[ 79.979892][ T5820] ? clear_bhb_loop+0x45/0xa0
[ 79.984565][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.990492][ T5820] RIP: 0033:0x7fee3c53aa79
[ 79.994978][ T5820] 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
[ 80.014627][ T5820] RSP: 002b:00007ffd72f9be18 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 80.023097][ T5820] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fee3c53aa79
[ 80.031104][ T5820] RDX: 0000000000000004 RSI: 0000200000000180 RDI: 0000000000000004
[ 80.039136][ T5820] RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000003
[ 80.047164][ T5820] R10: 00000000001077ff R11: 0000000000000246 R12: 0000200000000000
[ 80.055228][ T5820] R13: 00007ffd72f9bff8 R14: 0000000000000001 R15: 0000000000000001
[ 80.063246][ T5820]
[ 80.066331][ T5820] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 80.073659][ T5820] CPU: 1 UID: 0 PID: 5820 Comm: syz-executor236 Not tainted 6.15.0-rc4-syzkaller-00011-gf15d97df5afa #0 PREEMPT(full)
[ 80.086064][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 80.096112][ T5820] Call Trace:
[ 80.099389][ T5820]
[ 80.102314][ T5820] dump_stack_lvl+0x99/0x250
[ 80.106907][ T5820] ? __asan_memcpy+0x40/0x70
[ 80.111493][ T5820] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.116708][ T5820] ? __pfx__printk+0x10/0x10
[ 80.121302][ T5820] panic+0x2db/0x790
[ 80.125201][ T5820] ? __pfx_panic+0x10/0x10
[ 80.129615][ T5820] ? show_trace_log_lvl+0x4fb/0x550
[ 80.134825][ T5820] __warn+0x31b/0x4b0
[ 80.138804][ T5820] ? udf_truncate_extents+0xd4c/0xec0
[ 80.144179][ T5820] ? udf_truncate_extents+0xd4c/0xec0
[ 80.149550][ T5820] report_bug+0x2be/0x4f0
[ 80.153880][ T5820] ? udf_truncate_extents+0xd4c/0xec0
[ 80.159254][ T5820] ? udf_truncate_extents+0xd4c/0xec0
[ 80.164625][ T5820] ? udf_truncate_extents+0xd4e/0xec0
[ 80.169994][ T5820] handle_bug+0x84/0x160
[ 80.174228][ T5820] exc_invalid_op+0x1a/0x50
[ 80.178735][ T5820] asm_exc_invalid_op+0x1a/0x20
[ 80.183590][ T5820] RIP: 0010:udf_truncate_extents+0xd4c/0xec0
[ 80.189584][ T5820] Code: 2c 40 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 55 0a 8e fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef
[ 80.209197][ T5820] RSP: 0018:ffffc90003e0f7e0 EFLAGS: 00010293
[ 80.215271][ T5820] RAX: ffffffff8331b38b RBX: 1ffff1100f86e008 RCX: ffff88806203da00
[ 80.223244][ T5820] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 80.231217][ T5820] RBP: ffffc90003e0f9a8 R08: ffff88806203da00 R09: 0000000000000002
[ 80.239190][ T5820] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
[ 80.247164][ T5820] R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a
[ 80.255147][ T5820] ? udf_truncate_extents+0xd4b/0xec0
[ 80.260551][ T5820] ? __pfx_udf_truncate_extents+0x10/0x10
[ 80.266297][ T5820] ? do_raw_spin_unlock+0x122/0x240
[ 80.271505][ T5820] udf_write_failed+0x185/0x1c0
[ 80.276368][ T5820] udf_direct_IO+0x1c6/0x200
[ 80.280966][ T5820] generic_file_direct_write+0x1d8/0x3e0
[ 80.286606][ T5820] ? file_update_time+0x416/0x490
[ 80.291644][ T5820] __generic_file_write_iter+0x11d/0x230
[ 80.297278][ T5820] ? udf_file_write_iter+0x2c4/0x6c0
[ 80.302573][ T5820] udf_file_write_iter+0x2d5/0x6c0
[ 80.307696][ T5820] do_iter_readv_writev+0x56b/0x7f0
[ 80.312904][ T5820] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 80.318626][ T5820] ? rcu_read_lock_any_held+0xb3/0x120
[ 80.324107][ T5820] vfs_writev+0x306/0x9a0
[ 80.328450][ T5820] ? __pfx_vfs_writev+0x10/0x10
[ 80.333316][ T5820] ? _raw_spin_unlock_irq+0x23/0x50
[ 80.338533][ T5820] ? _raw_spin_unlock_irq+0x2e/0x50
[ 80.343739][ T5820] ? ptrace_notify+0x22d/0x2c0
[ 80.348517][ T5820] __se_sys_pwritev2+0x179/0x290
[ 80.353465][ T5820] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 80.358939][ T5820] ? __x64_sys_pwritev2+0x20/0xc0
[ 80.363972][ T5820] do_syscall_64+0xf6/0x210
[ 80.368483][ T5820] ? clear_bhb_loop+0x45/0xa0
[ 80.373177][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.379067][ T5820] RIP: 0033:0x7fee3c53aa79
[ 80.383482][ T5820] 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
[ 80.403107][ T5820] RSP: 002b:00007ffd72f9be18 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 80.411523][ T5820] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fee3c53aa79
[ 80.419494][ T5820] RDX: 0000000000000004 RSI: 0000200000000180 RDI: 0000000000000004
[ 80.427555][ T5820] RBP: 0031656c69662f2e R08: 0000000000000000 R09: 0000000000000003
[ 80.435531][ T5820] R10: 00000000001077ff R11: 0000000000000246 R12: 0000200000000000
[ 80.443505][ T5820] R13: 00007ffd72f9bff8 R14: 0000000000000001 R15: 0000000000000001
[ 80.451501][ T5820]
[ 80.454796][ T5820] Kernel Offset: disabled
[ 80.459124][ T5820] Rebooting in 86400 seconds..