./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1598659616 <...> Warning: Permanently added '10.128.1.94' (ED25519) to the list of known hosts. execve("./syz-executor1598659616", ["./syz-executor1598659616"], 0x7ffe769fd8a0 /* 10 vars */) = 0 brk(NULL) = 0x55556aa08000 brk(0x55556aa08d00) = 0x55556aa08d00 arch_prctl(ARCH_SET_FS, 0x55556aa08380) = 0 set_tid_address(0x55556aa08650) = 5215 set_robust_list(0x55556aa08660, 24) = 0 rseq(0x55556aa08ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1598659616", 4096) = 28 getrandom("\x37\x37\xff\xa1\x7c\x90\xda\x86", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556aa08d00 brk(0x55556aa29d00) = 0x55556aa29d00 brk(0x55556aa2a000) = 0x55556aa2a000 mprotect(0x7f14ec13e000, 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./strace-static-x86_64: Process 5217 attached [pid 5217] set_robust_list(0x55556aa08660, 24) = 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0 [pid 5215] <... clone resumed>, child_tidptr=0x55556aa08650) = 5217 [pid 5217] <... setpgid resumed>) = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5217] write(3, "1000", 4) = 4 [pid 5217] close(3) = 0 [pid 5217] write(1, "executing program\n", 18executing program ) = 18 [pid 5217] memfd_create("syzkaller", 0) = 3 [pid 5217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14e3c00000 [pid 5217] 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 5217] munmap(0x7f14e3c00000, 138412032) = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5217] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5217] close(3) = 0 [pid 5217] close(4) = 0 [pid 5217] mkdir("./file1", 0777) = 0 [pid 5217] mount("/dev/loop0", "./file1", "udf", MS_REC, "lastblock=00000000000000000000,umask=00000000000000000000002,dmode=00000000000000000077777,novrs,sho"...) = 0 [pid 5217] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5217] chdir("./file1") = 0 [pid 5217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5217] openat(AT_FDCWD, "/proc/self/net/softnet_stat", O_RDWR) = 4 [pid 5217] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = 5 [pid 5217] sendfile(5, 4, NULL, 4303355905) = 270 [pid 5217] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = 6 [ 60.192264][ T5217] loop0: detected capacity change from 0 to 2048 [ 60.228954][ T5217] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [ 60.255072][ T5217] ------------[ cut here ]------------ [ 60.260744][ T5217] WARNING: CPU: 0 PID: 5217 at fs/udf/truncate.c:204 udf_truncate_extents+0x10ad/0x12d0 [ 60.270648][ T5217] Modules linked in: [ 60.274601][ T5217] CPU: 0 UID: 0 PID: 5217 Comm: syz-executor159 Not tainted 6.11.0-rc2-syzkaller-00042-gcf6d429eb656 #0 [ 60.285781][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 60.295905][ T5217] RIP: 0010:udf_truncate_extents+0x10ad/0x12d0 [ 60.302069][ T5217] Code: 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 f1 a0 77 fe 41 be fb ff ff ff eb 82 e8 e4 a0 77 fe 90 <0f> 0b 90 eb 81 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f [ 60.321764][ T5217] RSP: 0018:ffffc90003417740 EFLAGS: 00010293 [ 60.327879][ T5217] RAX: ffffffff831bd56c RBX: dffffc0000000000 RCX: ffff888025513c00 [ 60.336362][ T5217] RDX: 0000000000000000 RSI: 000000000000010e RDI: 0000000000000000 [ 60.344437][ T5217] RBP: ffffc90003417938 R08: ffffffff831bc965 R09: ffffffff8319ac84 [ 60.352420][ T5217] R10: 0000000000000002 R11: ffff888025513c00 R12: ffff888028f92018 [ 60.360473][ T5217] R13: 000000000000010e R14: 0000000000000000 R15: 00000000000000ff [ 60.368490][ T5217] FS: 000055556aa08380(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 [ 60.377506][ T5217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.384146][ T5217] CR2: 00007f14ec142100 CR3: 000000007bcba000 CR4: 00000000003506f0 [ 60.392219][ T5217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.400275][ T5217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.408328][ T5217] Call Trace: [ 60.411619][ T5217] [ 60.414629][ T5217] ? __warn+0x163/0x4e0 [ 60.418898][ T5217] ? udf_truncate_extents+0x10ad/0x12d0 [ 60.424501][ T5217] ? report_bug+0x2b3/0x500 [ 60.429029][ T5217] ? udf_truncate_extents+0x10ad/0x12d0 [ 60.434651][ T5217] ? handle_bug+0x3e/0x70 [ 60.439079][ T5217] ? exc_invalid_op+0x1a/0x50 [ 60.443749][ T5217] ? asm_exc_invalid_op+0x1a/0x20 [ 60.448820][ T5217] ? udf_current_aext+0x324/0x9e0 [ 60.453856][ T5217] ? udf_truncate_extents+0x4a5/0x12d0 [ 60.459540][ T5217] ? udf_truncate_extents+0x10ac/0x12d0 [ 60.465152][ T5217] ? udf_truncate_extents+0x10ad/0x12d0 [ 60.470699][ T5217] ? __pfx_udf_truncate_extents+0x10/0x10 [ 60.476487][ T5217] ? udf_write_failed+0x16e/0x1b0 [ 60.481520][ T5217] ? do_raw_spin_lock+0x14f/0x370 [ 60.486589][ T5217] ? __pfx_lock_release+0x10/0x10 [ 60.491631][ T5217] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.496904][ T5217] udf_write_failed+0x176/0x1b0 [ 60.501780][ T5217] udf_direct_IO+0x1ca/0x210 [ 60.506415][ T5217] generic_file_direct_write+0x130/0x350 [ 60.512060][ T5217] __generic_file_write_iter+0x129/0x230 [ 60.517770][ T5217] ? udf_file_write_iter+0x2e8/0x660 [ 60.523062][ T5217] udf_file_write_iter+0x2fd/0x660 [ 60.528247][ T5217] do_iter_readv_writev+0x60a/0x890 [ 60.533562][ T5217] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 60.539644][ T5217] ? rcu_read_lock_any_held+0xb7/0x160 [ 60.545181][ T5217] vfs_writev+0x37c/0xbb0 [ 60.549525][ T5217] ? __pfx_vfs_writev+0x10/0x10 [ 60.554462][ T5217] ? _raw_spin_unlock_irq+0x2e/0x50 [ 60.559670][ T5217] ? ptrace_notify+0x279/0x380 [ 60.564504][ T5217] __se_sys_pwritev2+0x1ca/0x2d0 [ 60.569459][ T5217] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 60.574992][ T5217] ? do_syscall_64+0x100/0x230 [ 60.579770][ T5217] ? __x64_sys_pwritev2+0x21/0xf0 [ 60.584849][ T5217] do_syscall_64+0xf3/0x230 [ 60.589365][ T5217] ? clear_bhb_loop+0x35/0x90 [ 60.594035][ T5217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.600029][ T5217] RIP: 0033:0x7f14ec0ca0d9 [ 60.604482][ T5217] 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 [ 60.624199][ T5217] RSP: 002b:00007fffea7c3668 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 60.632633][ T5217] RAX: ffffffffffffffda RBX: 00007fffea7c36a0 RCX: 00007f14ec0ca0d9 [ 60.640682][ T5217] RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000006 [ 60.648754][ T5217] RBP: 00007f14ec113095 R08: 0000000000000000 R09: 0000000000000000 [ 60.657141][ T5217] R10: 0000000001ffffff R11: 0000000000000246 R12: 00007fffea7c36a0 [ 60.665204][ T5217] R13: 00007f14ec11309d R14: 431bde82d7b634db R15: 00007f14ec11303b [ 60.673192][ T5217] [ 60.676276][ T5217] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 60.683555][ T5217] CPU: 0 UID: 0 PID: 5217 Comm: syz-executor159 Not tainted 6.11.0-rc2-syzkaller-00042-gcf6d429eb656 #0 [ 60.694658][ T5217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 60.704702][ T5217] Call Trace: [ 60.707970][ T5217] [ 60.710891][ T5217] dump_stack_lvl+0x241/0x360 [ 60.715577][ T5217] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.720771][ T5217] ? __pfx__printk+0x10/0x10 [ 60.725360][ T5217] ? vscnprintf+0x5d/0x90 [ 60.729685][ T5217] panic+0x349/0x860 [ 60.735224][ T5217] ? __warn+0x172/0x4e0 [ 60.739371][ T5217] ? __pfx_panic+0x10/0x10 [ 60.743795][ T5217] __warn+0x346/0x4e0 [ 60.747873][ T5217] ? udf_truncate_extents+0x10ad/0x12d0 [ 60.753431][ T5217] report_bug+0x2b3/0x500 [ 60.757766][ T5217] ? udf_truncate_extents+0x10ad/0x12d0 [ 60.763323][ T5217] handle_bug+0x3e/0x70 [ 60.767473][ T5217] exc_invalid_op+0x1a/0x50 [ 60.771968][ T5217] asm_exc_invalid_op+0x1a/0x20 [ 60.776808][ T5217] RIP: 0010:udf_truncate_extents+0x10ad/0x12d0 [ 60.782956][ T5217] Code: 00 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 f1 a0 77 fe 41 be fb ff ff ff eb 82 e8 e4 a0 77 fe 90 <0f> 0b 90 eb 81 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38 c1 0f [ 60.802634][ T5217] RSP: 0018:ffffc90003417740 EFLAGS: 00010293 [ 60.808691][ T5217] RAX: ffffffff831bd56c RBX: dffffc0000000000 RCX: ffff888025513c00 [ 60.816669][ T5217] RDX: 0000000000000000 RSI: 000000000000010e RDI: 0000000000000000 [ 60.824725][ T5217] RBP: ffffc90003417938 R08: ffffffff831bc965 R09: ffffffff8319ac84 [ 60.832776][ T5217] R10: 0000000000000002 R11: ffff888025513c00 R12: ffff888028f92018 [ 60.840738][ T5217] R13: 000000000000010e R14: 0000000000000000 R15: 00000000000000ff [ 60.848707][ T5217] ? udf_current_aext+0x324/0x9e0 [ 60.853724][ T5217] ? udf_truncate_extents+0x4a5/0x12d0 [ 60.859171][ T5217] ? udf_truncate_extents+0x10ac/0x12d0 [ 60.864730][ T5217] ? __pfx_udf_truncate_extents+0x10/0x10 [ 60.870441][ T5217] ? udf_write_failed+0x16e/0x1b0 [ 60.875454][ T5217] ? do_raw_spin_lock+0x14f/0x370 [ 60.880467][ T5217] ? __pfx_lock_release+0x10/0x10 [ 60.885487][ T5217] ? do_raw_spin_unlock+0x13c/0x8b0 [ 60.890681][ T5217] udf_write_failed+0x176/0x1b0 [ 60.895557][ T5217] udf_direct_IO+0x1ca/0x210 [ 60.900137][ T5217] generic_file_direct_write+0x130/0x350 [ 60.905849][ T5217] __generic_file_write_iter+0x129/0x230 [ 60.911468][ T5217] ? udf_file_write_iter+0x2e8/0x660 [ 60.916747][ T5217] udf_file_write_iter+0x2fd/0x660 [ 60.921850][ T5217] do_iter_readv_writev+0x60a/0x890 [ 60.927041][ T5217] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 60.932745][ T5217] ? rcu_read_lock_any_held+0xb7/0x160 [ 60.938240][ T5217] vfs_writev+0x37c/0xbb0 [ 60.942577][ T5217] ? __pfx_vfs_writev+0x10/0x10 [ 60.947556][ T5217] ? _raw_spin_unlock_irq+0x2e/0x50 [ 60.952743][ T5217] ? ptrace_notify+0x279/0x380 [ 60.957500][ T5217] __se_sys_pwritev2+0x1ca/0x2d0 [ 60.962427][ T5217] ? __pfx___se_sys_pwritev2+0x10/0x10 [ 60.967878][ T5217] ? do_syscall_64+0x100/0x230 [ 60.972636][ T5217] ? __x64_sys_pwritev2+0x21/0xf0 [ 60.977650][ T5217] do_syscall_64+0xf3/0x230 [ 60.982147][ T5217] ? clear_bhb_loop+0x35/0x90 [ 60.986902][ T5217] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 60.992874][ T5217] RIP: 0033:0x7f14ec0ca0d9 [ 60.997280][ T5217] 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 [ 61.016873][ T5217] RSP: 002b:00007fffea7c3668 EFLAGS: 00000246 ORIG_RAX: 0000000000000148 [ 61.025276][ T5217] RAX: ffffffffffffffda RBX: 00007fffea7c36a0 RCX: 00007f14ec0ca0d9 [ 61.033235][ T5217] RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000006 [ 61.043889][ T5217] RBP: 00007f14ec113095 R08: 0000000000000000 R09: 0000000000000000 [ 61.051848][ T5217] R10: 0000000001ffffff R11: 0000000000000246 R12: 00007fffea7c36a0 [ 61.059918][ T5217] R13: 00007f14ec11309d R14: 431bde82d7b634db R15: 00007f14ec11303b [ 61.067889][ T5217] [ 61.071132][ T5217] Kernel Offset: disabled [ 61.075486][ T5217] Rebooting in 86400 seconds..