./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1707618233 <...> Warning: Permanently added '10.128.10.19' (ED25519) to the list of known hosts. execve("./syz-executor1707618233", ["./syz-executor1707618233"], 0x7fff90679d30 /* 10 vars */) = 0 brk(NULL) = 0x555588810000 brk(0x555588810d00) = 0x555588810d00 arch_prctl(ARCH_SET_FS, 0x555588810380) = 0 set_tid_address(0x555588810650) = 5097 set_robust_list(0x555588810660, 24) = 0 rseq(0x555588810ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1707618233", 4096) = 28 getrandom("\xb0\x58\x4b\xc5\x39\x58\x02\xbb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588810d00 brk(0x555588831d00) = 0x555588831d00 brk(0x555588832000) = 0x555588832000 mprotect(0x7f14a8bfa000, 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 5098 attached [pid 5098] set_robust_list(0x555588810660, 24 [pid 5097] <... clone resumed>, child_tidptr=0x555588810650) = 5098 [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] setpgid(0, 0) = 0 [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3) = 0 [pid 5098] write(1, "executing program\n", 18executing program ) = 18 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f14a0600000 [pid 5098] 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 5098] munmap(0x7f14a0600000, 138412032) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5098] close(3) = 0 [pid 5098] close(4) = 0 [pid 5098] mkdir("./file1", 0777) = 0 [pid 5098] mount("/dev/loop0", "./file1", "udf", MS_SYNCHRONOUS|MS_LAZYTIME, "") = 0 [pid 5098] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5098] chdir("./file1") = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5098] setrlimit(RLIMIT_FSIZE, {rlim_cur=RLIM64_INFINITY, rlim_max=RLIM64_INFINITY}) = 0 [pid 5098] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NONBLOCK|O_LARGEFILE|O_NOATIME|O_CLOEXEC|FASYNC, 000) = 4 [ 81.927107][ T5098] loop0: detected capacity change from 0 to 2048 [ 81.949537][ T5098] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [ 81.980764][ T5098] ------------[ cut here ]------------ [ 81.986505][ T5098] WARNING: CPU: 0 PID: 5098 at fs/udf/inode.c:2047 __udf_add_aext+0x555/0x700 [ 81.995532][ T5098] Modules linked in: [ 81.999441][ T5098] CPU: 0 UID: 0 PID: 5098 Comm: syz-executor170 Not tainted 6.10.0-syzkaller-11840-g933069701c1b #0 [ 82.010320][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 82.020452][ T5098] RIP: 0010:__udf_add_aext+0x555/0x700 [ 82.026056][ T5098] Code: e3 dd fe 49 8b 3c 24 4c 89 fe e8 96 68 00 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ec 56 93 08 e8 fc 97 76 fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 ee 97 76 fe 90 0f 0b 90 e9 54 fc ff ff [ 82.045806][ T5098] RSP: 0018:ffffc900031f7798 EFLAGS: 00010293 [ 82.052038][ T5098] RAX: ffffffff831cea24 RBX: 1ffff9200063ef71 RCX: ffff888018368000 [ 82.060108][ T5098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001d0 [ 82.068294][ T5098] RBP: 00000000000001d0 R08: ffffffff831ce606 R09: ffffffff831ce536 [ 82.076348][ T5098] R10: 0000000000000002 R11: ffff888018368000 R12: ffffc900031f7b80 [ 82.084406][ T5098] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900031f7b88 [ 82.092622][ T5098] FS: 0000555588810380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 82.101584][ T5098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.108291][ T5098] CR2: 00007f93cf995ed8 CR3: 0000000075cbc000 CR4: 0000000000350ef0 [ 82.116445][ T5098] Call Trace: [ 82.119734][ T5098] [ 82.122774][ T5098] ? __warn+0x163/0x4e0 [ 82.126961][ T5098] ? __udf_add_aext+0x555/0x700 [ 82.131841][ T5098] ? report_bug+0x2b3/0x500 [ 82.136452][ T5098] ? __udf_add_aext+0x555/0x700 [ 82.141353][ T5098] ? handle_bug+0x3e/0x70 [ 82.145789][ T5098] ? exc_invalid_op+0x1a/0x50 [ 82.150509][ T5098] ? asm_exc_invalid_op+0x1a/0x20 [ 82.155653][ T5098] ? __udf_add_aext+0x66/0x700 [ 82.160451][ T5098] ? __udf_add_aext+0x136/0x700 [ 82.165421][ T5098] ? __udf_add_aext+0x554/0x700 [ 82.170331][ T5098] ? __udf_add_aext+0x555/0x700 [ 82.175307][ T5098] ? __udf_add_aext+0x554/0x700 [ 82.180202][ T5098] udf_setup_indirect_aext+0x763/0xa20 [ 82.185786][ T5098] ? __pfx_udf_setup_indirect_aext+0x10/0x10 [ 82.191834][ T5098] ? mark_buffer_dirty_inode+0x107/0x300 [ 82.197624][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.203354][ T5098] ? __udf_add_aext+0x53a/0x700 [ 82.208224][ T5098] udf_do_extend_file+0x6f8/0x11e0 [ 82.213439][ T5098] ? udf_current_aext+0x56e/0x9e0 [ 82.218522][ T5098] ? __pfx_udf_do_extend_file+0x10/0x10 [ 82.224356][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.230041][ T5098] ? inode_bmap+0x2d8/0x6d0 [ 82.234650][ T5098] udf_setsize+0xc34/0x1280 [ 82.239205][ T5098] ? __pfx_udf_setsize+0x10/0x10 [ 82.244353][ T5098] ? __pfx_down_write+0x10/0x10 [ 82.249243][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.254984][ T5098] udf_setattr+0x3c7/0x5d0 [ 82.259431][ T5098] ? __pfx_udf_setattr+0x10/0x10 [ 82.264463][ T5098] notify_change+0xb9f/0xe70 [ 82.269108][ T5098] do_ftruncate+0x46b/0x590 [ 82.273684][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 82.278930][ T5098] ? __pfx_do_ftruncate+0x10/0x10 [ 82.284249][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.290629][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.296360][ T5098] __x64_sys_ftruncate+0x95/0xf0 [ 82.301393][ T5098] do_syscall_64+0xf3/0x230 [ 82.306062][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.312024][ T5098] RIP: 0033:0x7f14a8b85d99 [ 82.316540][ T5098] 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 [ 82.336787][ T5098] RSP: 002b:00007ffd0f559ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d [ 82.345276][ T5098] RAX: ffffffffffffffda RBX: 00007f14a8bcf095 RCX: 00007f14a8b85d99 [ 82.353375][ T5098] RDX: 00007f14a8b85d99 RSI: 0000008002007ffb RDI: 0000000000000004 [ 82.361406][ T5098] RBP: 00007f14a8bfa5f0 R08: 00005555888114c0 R09: 00005555888114c0 [ 82.369477][ T5098] R10: 00005555888114c0 R11: 0000000000000246 R12: 00007ffd0f559b10 [ 82.377566][ T5098] R13: 00007ffd0f559d38 R14: 431bde82d7b634db R15: 00007f14a8bcf03b [ 82.385643][ T5098] [ 82.388768][ T5098] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 82.396044][ T5098] CPU: 0 UID: 0 PID: 5098 Comm: syz-executor170 Not tainted 6.10.0-syzkaller-11840-g933069701c1b #0 [ 82.406925][ T5098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 82.417025][ T5098] Call Trace: [ 82.420306][ T5098] [ 82.423259][ T5098] dump_stack_lvl+0x241/0x360 [ 82.428043][ T5098] ? __pfx_dump_stack_lvl+0x10/0x10 [ 82.433257][ T5098] ? __pfx__printk+0x10/0x10 [ 82.437856][ T5098] ? _printk+0xd5/0x120 [ 82.442115][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.447946][ T5098] ? vscnprintf+0x5d/0x90 [ 82.452349][ T5098] panic+0x349/0x860 [ 82.456286][ T5098] ? __warn+0x172/0x4e0 [ 82.460453][ T5098] ? __pfx_panic+0x10/0x10 [ 82.464879][ T5098] ? show_trace_log_lvl+0x4e6/0x520 [ 82.470127][ T5098] __warn+0x346/0x4e0 [ 82.474210][ T5098] ? __udf_add_aext+0x555/0x700 [ 82.479081][ T5098] report_bug+0x2b3/0x500 [ 82.483511][ T5098] ? __udf_add_aext+0x555/0x700 [ 82.488382][ T5098] handle_bug+0x3e/0x70 [ 82.492558][ T5098] exc_invalid_op+0x1a/0x50 [ 82.497082][ T5098] asm_exc_invalid_op+0x1a/0x20 [ 82.501987][ T5098] RIP: 0010:__udf_add_aext+0x555/0x700 [ 82.507485][ T5098] Code: e3 dd fe 49 8b 3c 24 4c 89 fe e8 96 68 00 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d e9 ec 56 93 08 e8 fc 97 76 fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 ee 97 76 fe 90 0f 0b 90 e9 54 fc ff ff [ 82.527112][ T5098] RSP: 0018:ffffc900031f7798 EFLAGS: 00010293 [ 82.533199][ T5098] RAX: ffffffff831cea24 RBX: 1ffff9200063ef71 RCX: ffff888018368000 [ 82.541179][ T5098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001d0 [ 82.549152][ T5098] RBP: 00000000000001d0 R08: ffffffff831ce606 R09: ffffffff831ce536 [ 82.557306][ T5098] R10: 0000000000000002 R11: ffff888018368000 R12: ffffc900031f7b80 [ 82.565283][ T5098] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900031f7b88 [ 82.573352][ T5098] ? __udf_add_aext+0x66/0x700 [ 82.578130][ T5098] ? __udf_add_aext+0x136/0x700 [ 82.582993][ T5098] ? __udf_add_aext+0x554/0x700 [ 82.587871][ T5098] ? __udf_add_aext+0x554/0x700 [ 82.592743][ T5098] udf_setup_indirect_aext+0x763/0xa20 [ 82.598399][ T5098] ? __pfx_udf_setup_indirect_aext+0x10/0x10 [ 82.604392][ T5098] ? mark_buffer_dirty_inode+0x107/0x300 [ 82.610049][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.615691][ T5098] ? __udf_add_aext+0x53a/0x700 [ 82.620647][ T5098] udf_do_extend_file+0x6f8/0x11e0 [ 82.625772][ T5098] ? udf_current_aext+0x56e/0x9e0 [ 82.630927][ T5098] ? __pfx_udf_do_extend_file+0x10/0x10 [ 82.636491][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.642134][ T5098] ? inode_bmap+0x2d8/0x6d0 [ 82.646675][ T5098] udf_setsize+0xc34/0x1280 [ 82.651202][ T5098] ? __pfx_udf_setsize+0x10/0x10 [ 82.656164][ T5098] ? __pfx_down_write+0x10/0x10 [ 82.661025][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.666674][ T5098] udf_setattr+0x3c7/0x5d0 [ 82.671102][ T5098] ? __pfx_udf_setattr+0x10/0x10 [ 82.676074][ T5098] notify_change+0xb9f/0xe70 [ 82.680687][ T5098] do_ftruncate+0x46b/0x590 [ 82.685199][ T5098] ? lockdep_hardirqs_on+0x99/0x150 [ 82.690412][ T5098] ? __pfx_do_ftruncate+0x10/0x10 [ 82.695458][ T5098] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 82.701978][ T5098] ? srso_alias_return_thunk+0x5/0xfbef5 [ 82.707638][ T5098] __x64_sys_ftruncate+0x95/0xf0 [ 82.712594][ T5098] do_syscall_64+0xf3/0x230 [ 82.717117][ T5098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.723032][ T5098] RIP: 0033:0x7f14a8b85d99 [ 82.727446][ T5098] 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 [ 82.747228][ T5098] RSP: 002b:00007ffd0f559ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d [ 82.755649][ T5098] RAX: ffffffffffffffda RBX: 00007f14a8bcf095 RCX: 00007f14a8b85d99 [ 82.763620][ T5098] RDX: 00007f14a8b85d99 RSI: 0000008002007ffb RDI: 0000000000000004 [ 82.771851][ T5098] RBP: 00007f14a8bfa5f0 R08: 00005555888114c0 R09: 00005555888114c0 [ 82.779908][ T5098] R10: 00005555888114c0 R11: 0000000000000246 R12: 00007ffd0f559b10 [ 82.787879][ T5098] R13: 00007ffd0f559d38 R14: 431bde82d7b634db R15: 00007f14a8bcf03b [ 82.795957][ T5098] [ 82.799211][ T5098] Kernel Offset: disabled [ 82.803575][ T5098] Rebooting in 86400 seconds..