./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1354099420 <...> Warning: Permanently added '10.128.1.241' (ED25519) to the list of known hosts. execve("./syz-executor1354099420", ["./syz-executor1354099420"], 0x7ffda1425130 /* 10 vars */) = 0 brk(NULL) = 0x55557a91b000 brk(0x55557a91bd00) = 0x55557a91bd00 arch_prctl(ARCH_SET_FS, 0x55557a91b380) = 0 set_tid_address(0x55557a91b650) = 5218 set_robust_list(0x55557a91b660, 24) = 0 rseq(0x55557a91bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1354099420", 4096) = 28 getrandom("\x59\xf0\x99\x8a\x8b\xe1\x76\xd9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a91bd00 brk(0x55557a93cd00) = 0x55557a93cd00 brk(0x55557a93d000) = 0x55557a93d000 mprotect(0x7f2b37239000, 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 executing program write(1, "executing program\n", 18) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2b2ec00000 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"..., 16777216) = 16777216 munmap(0x7f2b2ec00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "jfs", 0, "") = 0 [ 55.040623][ T5218] loop0: detected capacity change from 0 to 32768 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 55.108627][ T5218] ------------[ cut here ]------------ [ 55.114156][ T5218] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3624:7 [ 55.122259][ T5218] index -1 is out of range for type 'struct dtslot[128]' [ 55.129694][ T5218] CPU: 0 UID: 0 PID: 5218 Comm: syz-executor135 Not tainted 6.12.0-rc2-syzkaller-00074-gd3d1556696c1 #0 [ 55.140811][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.150865][ T5218] Call Trace: [ 55.154128][ T5218] [ 55.157045][ T5218] dump_stack_lvl+0x241/0x360 [ 55.161749][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.166951][ T5218] ? __pfx__printk+0x10/0x10 [ 55.171557][ T5218] ? __pfx_lock_acquire+0x10/0x10 [ 55.176582][ T5218] ? txLock+0x2b8/0x1f40 [ 55.180821][ T5218] __ubsan_handle_out_of_bounds+0x121/0x150 [ 55.186791][ T5218] dtInsertEntry+0x1735/0x1780 [ 55.191544][ T5218] ? txLock+0xf06/0x1f40 [ 55.195767][ T5218] ? __mark_inode_dirty+0x6f5/0xe90 [ 55.200958][ T5218] ? __pfx_txLock+0x10/0x10 [ 55.205443][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 55.210635][ T5218] ? __pfx_dtInsertEntry+0x10/0x10 [ 55.215758][ T5218] ? rcu_is_watching+0x15/0xb0 [ 55.220536][ T5218] ? __mark_inode_dirty+0x7f9/0xe90 [ 55.225735][ T5218] dtInsert+0xbc1/0x6c10 [ 55.229981][ T5218] ? dtSearch+0x1d59/0x2520 [ 55.234472][ T5218] ? __lock_acquire+0x1384/0x2050 [ 55.239499][ T5218] ? __pfx_dtInsert+0x10/0x10 [ 55.244166][ T5218] ? __pfx_lock_acquire+0x10/0x10 [ 55.249176][ T5218] ? txLock+0x2b8/0x1f40 [ 55.253407][ T5218] ? __pfx_lock_release+0x10/0x10 [ 55.258423][ T5218] ? do_raw_spin_lock+0x14f/0x370 [ 55.263437][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 55.268622][ T5218] ? dtSearch+0x1d59/0x2520 [ 55.273113][ T5218] ? txLock+0x11b7/0x1f40 [ 55.277447][ T5218] jfs_create+0x7ba/0xbb0 [ 55.281762][ T5218] ? __pfx_jfs_create+0x10/0x10 [ 55.286593][ T5218] ? __pfx_jfs_lookup+0x10/0x10 [ 55.291440][ T5218] ? make_vfsuid+0x52/0xa0 [ 55.295842][ T5218] ? bpf_lsm_inode_create+0x9/0x10 [ 55.300937][ T5218] ? security_inode_create+0xbe/0x340 [ 55.306305][ T5218] ? __pfx_jfs_create+0x10/0x10 [ 55.311146][ T5218] path_openat+0x1c03/0x3590 [ 55.315737][ T5218] ? __pfx_path_openat+0x10/0x10 [ 55.320670][ T5218] do_filp_open+0x235/0x490 [ 55.325159][ T5218] ? __pfx_do_filp_open+0x10/0x10 [ 55.330183][ T5218] ? _raw_spin_unlock+0x28/0x50 [ 55.335021][ T5218] ? alloc_fd+0x5a1/0x640 [ 55.339345][ T5218] do_sys_openat2+0x13e/0x1d0 [ 55.344003][ T5218] ? __pfx_do_sys_openat2+0x10/0x10 [ 55.349186][ T5218] ? lockdep_hardirqs_on+0x99/0x150 [ 55.354370][ T5218] ? _raw_spin_unlock_irq+0x2e/0x50 [ 55.359553][ T5218] ? ptrace_notify+0x279/0x380 [ 55.364304][ T5218] __x64_sys_open+0x225/0x270 [ 55.368968][ T5218] ? __pfx___x64_sys_open+0x10/0x10 [ 55.374146][ T5218] ? do_syscall_64+0x100/0x230 [ 55.378899][ T5218] do_syscall_64+0xf3/0x230 [ 55.383412][ T5218] ? clear_bhb_loop+0x35/0x90 [ 55.388096][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.394038][ T5218] RIP: 0033:0x7f2b371c0639 [ 55.398465][ T5218] 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 [ 55.418063][ T5218] RSP: 002b:00007fff164f4418 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 55.426462][ T5218] RAX: ffffffffffffffda RBX: 00007fff164f45f8 RCX: 00007f2b371c0639 [ 55.434419][ T5218] RDX: 0000000000000000 RSI: 0000000000141042 RDI: 0000000020000000 [ 55.442372][ T5218] RBP: 00007f2b37239610 R08: 0000000000005d93 R09: 0000000000000000 [ 55.450326][ T5218] R10: 00007fff164f42e0 R11: 0000000000000246 R12: 0000000000000001 [ 55.458280][ T5218] R13: 00007fff164f45e8 R14: 0000000000000001 R15: 0000000000000001 [ 55.466244][ T5218] [ 55.471131][ T5218] ---[ end trace ]--- [ 55.475684][ T5218] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 55.482902][ T5218] CPU: 0 UID: 0 PID: 5218 Comm: syz-executor135 Not tainted 6.12.0-rc2-syzkaller-00074-gd3d1556696c1 #0 [ 55.494009][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 55.504064][ T5218] Call Trace: [ 55.507346][ T5218] [ 55.510280][ T5218] dump_stack_lvl+0x241/0x360 [ 55.514963][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10 [ 55.520335][ T5218] ? __pfx__printk+0x10/0x10 [ 55.524925][ T5218] ? lockdep_hardirqs_on+0x99/0x150 [ 55.530125][ T5218] ? vscnprintf+0x5d/0x90 [ 55.534465][ T5218] panic+0x349/0x880 [ 55.538367][ T5218] ? check_panic_on_warn+0x21/0xb0 [ 55.543474][ T5218] ? __pfx_panic+0x10/0x10 [ 55.547886][ T5218] ? _printk+0xd5/0x120 [ 55.552053][ T5218] ? __pfx__printk+0x10/0x10 [ 55.556647][ T5218] check_panic_on_warn+0x86/0xb0 [ 55.561579][ T5218] __ubsan_handle_out_of_bounds+0x141/0x150 [ 55.567478][ T5218] dtInsertEntry+0x1735/0x1780 [ 55.572243][ T5218] ? txLock+0xf06/0x1f40 [ 55.576479][ T5218] ? __mark_inode_dirty+0x6f5/0xe90 [ 55.581685][ T5218] ? __pfx_txLock+0x10/0x10 [ 55.586181][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 55.591374][ T5218] ? __pfx_dtInsertEntry+0x10/0x10 [ 55.596502][ T5218] ? rcu_is_watching+0x15/0xb0 [ 55.601285][ T5218] ? __mark_inode_dirty+0x7f9/0xe90 [ 55.606499][ T5218] dtInsert+0xbc1/0x6c10 [ 55.610769][ T5218] ? dtSearch+0x1d59/0x2520 [ 55.615270][ T5218] ? __lock_acquire+0x1384/0x2050 [ 55.620308][ T5218] ? __pfx_dtInsert+0x10/0x10 [ 55.625024][ T5218] ? __pfx_lock_acquire+0x10/0x10 [ 55.630046][ T5218] ? txLock+0x2b8/0x1f40 [ 55.634282][ T5218] ? __pfx_lock_release+0x10/0x10 [ 55.639302][ T5218] ? do_raw_spin_lock+0x14f/0x370 [ 55.644328][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 55.649523][ T5218] ? dtSearch+0x1d59/0x2520 [ 55.654028][ T5218] ? txLock+0x11b7/0x1f40 [ 55.658377][ T5218] jfs_create+0x7ba/0xbb0 [ 55.662704][ T5218] ? __pfx_jfs_create+0x10/0x10 [ 55.667555][ T5218] ? __pfx_jfs_lookup+0x10/0x10 [ 55.672430][ T5218] ? make_vfsuid+0x52/0xa0 [ 55.676864][ T5218] ? bpf_lsm_inode_create+0x9/0x10 [ 55.681984][ T5218] ? security_inode_create+0xbe/0x340 [ 55.687361][ T5218] ? __pfx_jfs_create+0x10/0x10 [ 55.692206][ T5218] path_openat+0x1c03/0x3590 [ 55.696813][ T5218] ? __pfx_path_openat+0x10/0x10 [ 55.701761][ T5218] do_filp_open+0x235/0x490 [ 55.706262][ T5218] ? __pfx_do_filp_open+0x10/0x10 [ 55.711299][ T5218] ? _raw_spin_unlock+0x28/0x50 [ 55.716151][ T5218] ? alloc_fd+0x5a1/0x640 [ 55.720490][ T5218] do_sys_openat2+0x13e/0x1d0 [ 55.725162][ T5218] ? __pfx_do_sys_openat2+0x10/0x10 [ 55.730355][ T5218] ? lockdep_hardirqs_on+0x99/0x150 [ 55.735553][ T5218] ? _raw_spin_unlock_irq+0x2e/0x50 [ 55.740762][ T5218] ? ptrace_notify+0x279/0x380 [ 55.745524][ T5218] __x64_sys_open+0x225/0x270 [ 55.750201][ T5218] ? __pfx___x64_sys_open+0x10/0x10 [ 55.755395][ T5218] ? do_syscall_64+0x100/0x230 [ 55.760160][ T5218] do_syscall_64+0xf3/0x230 [ 55.764655][ T5218] ? clear_bhb_loop+0x35/0x90 [ 55.769326][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.775216][ T5218] RIP: 0033:0x7f2b371c0639 [ 55.779629][ T5218] 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 [ 55.799256][ T5218] RSP: 002b:00007fff164f4418 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 55.807675][ T5218] RAX: ffffffffffffffda RBX: 00007fff164f45f8 RCX: 00007f2b371c0639 [ 55.815641][ T5218] RDX: 0000000000000000 RSI: 0000000000141042 RDI: 0000000020000000 [ 55.823613][ T5218] RBP: 00007f2b37239610 R08: 0000000000005d93 R09: 0000000000000000 [ 55.831582][ T5218] R10: 00007fff164f42e0 R11: 0000000000000246 R12: 0000000000000001 [ 55.839548][ T5218] R13: 00007fff164f45e8 R14: 0000000000000001 R15: 0000000000000001 [ 55.847527][ T5218] [ 55.850778][ T5218] Kernel Offset: disabled [ 55.855135][ T5218] Rebooting in 86400 seconds..