./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3427849275
<...>
Warning: Permanently added '10.128.0.45' (ED25519) to the list of known hosts.
execve("./syz-executor3427849275", ["./syz-executor3427849275"], 0x7ffeae8479e0 /* 10 vars */) = 0
brk(NULL) = 0x555588ba4000
brk(0x555588ba4d00) = 0x555588ba4d00
arch_prctl(ARCH_SET_FS, 0x555588ba4380) = 0
set_tid_address(0x555588ba4650) = 5827
set_robust_list(0x555588ba4660, 24) = 0
rseq(0x555588ba4ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3427849275", 4096) = 28
getrandom("\x0a\x09\xc9\xfb\x60\x2f\x68\x99", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555588ba4d00
brk(0x555588bc5d00) = 0x555588bc5d00
brk(0x555588bc6000) = 0x555588bc6000
mprotect(0x7f0811fc1000, 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=0x555588ba4650) = 5828
./strace-static-x86_64: Process 5828 attached
[pid 5828] set_robust_list(0x555588ba4660, 24) = 0
[pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5828] setpgid(0, 0) = 0
[pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5828] write(3, "1000", 4) = 4
[pid 5828] close(3) = 0
executing program
[pid 5828] write(1, "executing program\n", 18) = 18
[pid 5828] memfd_create("syzkaller", 0) = 3
[pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0809a00000
[pid 5828] 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 5828] munmap(0x7f0809a00000, 138412032) = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5828] close(3) = 0
[pid 5828] close(4) = 0
[pid 5828] mkdir("./file0", 0777) = 0
[ 89.032770][ T5828] loop0: detected capacity change from 0 to 2048
[ 89.071654][ T5828] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d
[pid 5828] mount("/dev/loop0", "./file0", "udf", MS_NOSUID|MS_DIRSYNC, "iocharset=koi8-r,unhide,iocharset=cp737,dmode=00000000000000000000011,fileset=00000000000000001023,u"...) = 0
[pid 5828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5828] chdir("./file0") = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOATIME, 0270) = 4
[ 89.084011][ T5828] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[ 89.100880][ T29] audit: type=1800 audit(1735138232.394:2): pid=5828 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor342" name="file1" dev="loop0" ino=1346 res=0 errno=0
[ 89.117638][ T5828] ------------[ cut here ]------------
[ 89.126616][ T5828] WARNING: CPU: 0 PID: 5828 at fs/udf/truncate.c:224 udf_truncate_extents+0x10c8/0x1310
[ 89.136486][ T5828] Modules linked in:
[ 89.140412][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor342 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 89.151626][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 89.161730][ T5828] RIP: 0010:udf_truncate_extents+0x10c8/0x1310
[ 89.167929][ T5828] 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
[ 89.187580][ T5828] RSP: 0018:ffffc90003c07740 EFLAGS: 00010293
[ 89.193640][ T5828] RAX: ffffffff83280777 RBX: 000000000000000a RCX: ffff88802c608000
[ 89.201684][ T5828] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 89.209732][ T5828] RBP: ffffc90003c07930 R08: ffffffff8327fb98 R09: ffffffff8325d9ad
[ 89.217767][ T5828] R10: 0000000000000002 R11: ffff88802c608000 R12: dffffc0000000000
[ 89.225782][ T5828] R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
[ 89.233778][ T5828] FS: 0000555588ba4380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 89.242772][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 89.249432][ T5828] CR2: 00007f0811fc50f8 CR3: 00000000337bc000 CR4: 00000000003526f0
[ 89.257453][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 89.265464][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 89.273433][ T5828] Call Trace:
[ 89.276752][ T5828]
[ 89.279699][ T5828] ? __warn+0x165/0x4d0
[ 89.283855][ T5828] ? udf_truncate_extents+0x10c8/0x1310
[ 89.289461][ T5828] ? report_bug+0x2b3/0x500
[ 89.294003][ T5828] ? udf_truncate_extents+0x10c8/0x1310
[ 89.299624][ T5828] ? handle_bug+0x60/0x90
[ 89.303994][ T5828] ? exc_invalid_op+0x1a/0x50
[ 89.308777][ T5828] ? asm_exc_invalid_op+0x1a/0x20
[ 89.313830][ T5828] ? udf_current_aext+0x3bd/0xad0
[ 89.318911][ T5828] ? udf_truncate_extents+0x4e8/0x1310
[ 89.324411][ T5828] ? udf_truncate_extents+0x10c7/0x1310
[ 89.329961][ T5828] ? udf_truncate_extents+0x10c8/0x1310
[ 89.335594][ T5828] ? __pfx_udf_truncate_extents+0x10/0x10
[ 89.341332][ T5828] ? __pfx_lock_release+0x10/0x10
[ 89.346405][ T5828] ? do_raw_spin_lock+0x14f/0x370
[ 89.351477][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0
[ 89.356752][ T5828] udf_write_failed+0x176/0x1b0
[ 89.361627][ T5828] udf_direct_IO+0x1c9/0x210
[ 89.366322][ T5828] generic_file_direct_write+0x1e6/0x400
[ 89.371949][ T5828] __generic_file_write_iter+0x126/0x230
[ 89.377614][ T5828] ? udf_file_write_iter+0x2e7/0x660
[ 89.382914][ T5828] udf_file_write_iter+0x2fc/0x660
[ 89.388083][ T5828] do_iter_readv_writev+0x600/0x880
[ 89.394752][ T5828] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 89.400487][ T5828] ? rcu_read_lock_any_held+0xb7/0x160
[ 89.405998][ T5828] vfs_writev+0x376/0xba0
[ 89.410345][ T5828] ? __pfx_vfs_writev+0x10/0x10
[ 89.415250][ T5828] ? _raw_spin_unlock_irq+0x2e/0x50
[ 89.420457][ T5828] ? ptrace_notify+0x279/0x380
[ 89.425294][ T5828] __se_sys_pwritev2+0x196/0x2b0
[ 89.430249][ T5828] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 89.435737][ T5828] ? exc_page_fault+0x590/0x8b0
[ 89.440613][ T5828] ? __x64_sys_pwritev2+0x21/0xf0
[ 89.445677][ T5828] do_syscall_64+0xf3/0x230
[ 89.450200][ T5828] ? clear_bhb_loop+0x35/0x90
[ 89.454912][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.460907][ T5828] RIP: 0033:0x7f0811f4ced9
[ 89.465380][ T5828] 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
[ 89.485060][ T5828] RSP: 002b:00007ffe39ccc2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 89.493507][ T5828] RAX: ffffffffffffffda RBX: 00007f0811f9609d RCX: 00007f0811f4ced9
[ 89.501537][ T5828] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000004
[ 89.509564][ T5828] RBP: 00007f0811fc15f0 R08: 0000000000000000 R09: 0000000000000000
[ 89.517567][ T5828] R10: 0000000000800001 R11: 0000000000000246 R12: 00007ffe39ccc2e0
[ 89.525568][ T5828] R13: 00007ffe39ccc508 R14: 431bde82d7b634db R15: 00007f0811f9603b
[ 89.533649][ T5828]
[ 89.536760][ T5828] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 89.544074][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor342 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 89.555197][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 89.565245][ T5828] Call Trace:
[ 89.568516][ T5828]
[ 89.571460][ T5828] dump_stack_lvl+0x241/0x360
[ 89.576146][ T5828] ? __pfx_dump_stack_lvl+0x10/0x10
[ 89.581343][ T5828] ? __pfx__printk+0x10/0x10
[ 89.585944][ T5828] ? _printk+0xd5/0x120
[ 89.590093][ T5828] ? __init_begin+0x41000/0x41000
[ 89.595116][ T5828] ? vscnprintf+0x5d/0x90
[ 89.599450][ T5828] panic+0x349/0x880
[ 89.603348][ T5828] ? __warn+0x174/0x4d0
[ 89.607522][ T5828] ? __pfx_panic+0x10/0x10
[ 89.611956][ T5828] __warn+0x344/0x4d0
[ 89.615942][ T5828] ? udf_truncate_extents+0x10c8/0x1310
[ 89.621499][ T5828] report_bug+0x2b3/0x500
[ 89.625832][ T5828] ? udf_truncate_extents+0x10c8/0x1310
[ 89.631383][ T5828] handle_bug+0x60/0x90
[ 89.635537][ T5828] exc_invalid_op+0x1a/0x50
[ 89.640035][ T5828] asm_exc_invalid_op+0x1a/0x20
[ 89.644885][ T5828] RIP: 0010:udf_truncate_extents+0x10c8/0x1310
[ 89.651037][ T5828] 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
[ 89.670639][ T5828] RSP: 0018:ffffc90003c07740 EFLAGS: 00010293
[ 89.676708][ T5828] RAX: ffffffff83280777 RBX: 000000000000000a RCX: ffff88802c608000
[ 89.684684][ T5828] RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000000
[ 89.692646][ T5828] RBP: ffffc90003c07930 R08: ffffffff8327fb98 R09: ffffffff8325d9ad
[ 89.700710][ T5828] R10: 0000000000000002 R11: ffff88802c608000 R12: dffffc0000000000
[ 89.708688][ T5828] R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
[ 89.716668][ T5828] ? udf_current_aext+0x3bd/0xad0
[ 89.721695][ T5828] ? udf_truncate_extents+0x4e8/0x1310
[ 89.727160][ T5828] ? udf_truncate_extents+0x10c7/0x1310
[ 89.732725][ T5828] ? __pfx_udf_truncate_extents+0x10/0x10
[ 89.738447][ T5828] ? __pfx_lock_release+0x10/0x10
[ 89.743466][ T5828] ? do_raw_spin_lock+0x14f/0x370
[ 89.748494][ T5828] ? do_raw_spin_unlock+0x13c/0x8b0
[ 89.753698][ T5828] udf_write_failed+0x176/0x1b0
[ 89.758548][ T5828] udf_direct_IO+0x1c9/0x210
[ 89.763159][ T5828] generic_file_direct_write+0x1e6/0x400
[ 89.768818][ T5828] __generic_file_write_iter+0x126/0x230
[ 89.774457][ T5828] ? udf_file_write_iter+0x2e7/0x660
[ 89.779746][ T5828] udf_file_write_iter+0x2fc/0x660
[ 89.784859][ T5828] do_iter_readv_writev+0x600/0x880
[ 89.790060][ T5828] ? __pfx_do_iter_readv_writev+0x10/0x10
[ 89.795776][ T5828] ? rcu_read_lock_any_held+0xb7/0x160
[ 89.801245][ T5828] vfs_writev+0x376/0xba0
[ 89.805587][ T5828] ? __pfx_vfs_writev+0x10/0x10
[ 89.810448][ T5828] ? _raw_spin_unlock_irq+0x2e/0x50
[ 89.815644][ T5828] ? ptrace_notify+0x279/0x380
[ 89.820441][ T5828] __se_sys_pwritev2+0x196/0x2b0
[ 89.825408][ T5828] ? __pfx___se_sys_pwritev2+0x10/0x10
[ 89.830883][ T5828] ? exc_page_fault+0x590/0x8b0
[ 89.835749][ T5828] ? __x64_sys_pwritev2+0x21/0xf0
[ 89.840788][ T5828] do_syscall_64+0xf3/0x230
[ 89.845298][ T5828] ? clear_bhb_loop+0x35/0x90
[ 89.849977][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.855873][ T5828] RIP: 0033:0x7f0811f4ced9
[ 89.860288][ T5828] 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
[ 89.879892][ T5828] RSP: 002b:00007ffe39ccc2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
[ 89.888304][ T5828] RAX: ffffffffffffffda RBX: 00007f0811f9609d RCX: 00007f0811f4ced9
[ 89.896274][ T5828] RDX: 0000000000000001 RSI: 00000000200000c0 RDI: 0000000000000004
[ 89.904240][ T5828] RBP: 00007f0811fc15f0 R08: 0000000000000000 R09: 0000000000000000
[ 89.912201][ T5828] R10: 0000000000800001 R11: 0000000000000246 R12: 00007ffe39ccc2e0
[ 89.920165][ T5828] R13: 00007ffe39ccc508 R14: 431bde82d7b634db R15: 00007f0811f9603b
[ 89.928151][ T5828]
[ 89.931419][ T5828] Kernel Offset: disabled
[ 89.935789][ T5828] Rebooting in 86400 seconds..