./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3283632440 <...> DUID 00:04:dd:0f:a4:e5:cb:b8:04:95:2f:30:92:03:b3:b6:0d:bc forked to background, child pid 4644 [ 42.853771][ T4645] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.865360][ T4645] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.143' (ECDSA) to the list of known hosts. execve("./syz-executor3283632440", ["./syz-executor3283632440"], 0x7ffda09abe80 /* 10 vars */) = 0 brk(NULL) = 0x5555560fe000 brk(0x5555560fec40) = 0x5555560fec40 arch_prctl(ARCH_SET_FS, 0x5555560fe300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3283632440", 4096) = 28 brk(0x55555611fc40) = 0x55555611fc40 brk(0x555556120000) = 0x555556120000 mprotect(0x7f7b7de40000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7b75985000 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"..., 7629503) = 7629503 munmap(0x7f7b75985000, 7629503) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 mount("/dev/loop0", "./file0", "jfs", MS_RDONLY|MS_NOSUID, "integrity,iocharset=none,discard,iocharset=iso8859-14,noquota,discard,") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 syzkaller login: [ 71.319000][ T5070] loop0: detected capacity change from 0 to 14901 [ 71.337309][ T5070] ================================================================================ [ 71.346931][ T5070] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3392:30 [ 71.354850][ T5070] index -72 is out of range for type 'struct dtslot [128]' [ 71.362132][ T5070] CPU: 1 PID: 5070 Comm: syz-executor328 Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 71.372691][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 71.382777][ T5070] Call Trace: [ 71.386068][ T5070] [ 71.389009][ T5070] dump_stack_lvl+0x1b1/0x290 [ 71.393725][ T5070] ? nf_tcp_handle_invalid+0x630/0x630 [ 71.399197][ T5070] ? vsnprintf+0x19e/0x1cb0 [ 71.403753][ T5070] ? panic+0x710/0x710 [ 71.407832][ T5070] ? rcu_read_lock_sched_held+0x87/0x110 [ 71.413495][ T5070] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 71.419483][ T5070] ? __kmem_cache_alloc_node+0x21a/0x340 [ 71.425227][ T5070] __ubsan_handle_out_of_bounds+0xe0/0x110 [ 71.431251][ T5070] dtSearch+0x184b/0x26c0 [ 71.435616][ T5070] ? rcu_read_lock_sched_held+0x87/0x110 [ 71.441272][ T5070] ? get_UCSname+0xde/0x610 [ 71.445931][ T5070] jfs_lookup+0x11e/0x380 [ 71.450708][ T5070] ? jfs_get_parent+0xa0/0xa0 [ 71.455432][ T5070] ? d_alloc_parallel+0x1144/0x1240 [ 71.460663][ T5070] ? __d_lookup+0x6a4/0x770 [ 71.465205][ T5070] ? mode_strip_sgid+0x9b/0x200 [ 71.470067][ T5070] ? jfs_get_parent+0xa0/0xa0 [ 71.474758][ T5070] path_openat+0x10c2/0x2dd0 [ 71.479404][ T5070] ? do_filp_open+0x4f0/0x4f0 [ 71.484122][ T5070] do_filp_open+0x264/0x4f0 [ 71.488736][ T5070] ? vfs_tmpfile+0x490/0x490 [ 71.493375][ T5070] ? do_raw_spin_unlock+0x134/0x8a0 [ 71.498596][ T5070] ? _raw_spin_unlock+0x24/0x40 [ 71.503485][ T5070] ? alloc_fd+0x5a7/0x640 [ 71.507872][ T5070] do_sys_openat2+0x124/0x4e0 [ 71.512662][ T5070] ? print_irqtrace_events+0x220/0x220 [ 71.518924][ T5070] ? ptrace_stop+0x74d/0x970 [ 71.524253][ T5070] ? do_sys_open+0x220/0x220 [ 71.528874][ T5070] ? lockdep_hardirqs_on+0x8d/0x130 [ 71.534095][ T5070] ? _raw_spin_unlock_irq+0x2a/0x40 [ 71.539315][ T5070] ? ptrace_notify+0x245/0x340 [ 71.544146][ T5070] __x64_sys_open+0x221/0x270 [ 71.548959][ T5070] ? do_sys_openat2+0x4e0/0x4e0 [ 71.553846][ T5070] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 71.559861][ T5070] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 71.565866][ T5070] do_syscall_64+0x3d/0xb0 [ 71.570407][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.576405][ T5070] RIP: 0033:0x7f7b7ddd1859 [ 71.580921][ T5070] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 71.600549][ T5070] RSP: 002b:00007ffe74d76088 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 71.609092][ T5070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b7ddd1859 [ 71.617085][ T5070] RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 [ 71.625067][ T5070] RBP: 00007f7b7dd910f0 R08: 000000000000234a R09: 0000000000000000 [ 71.633311][ T5070] R10: 0000000000000073 R11: 0000000000000246 R12: 00007f7b7dd91180 [ 71.641288][ T5070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.649289][ T5070] [ 71.652590][ T5070] ================================================================================ [ 71.662089][ T5070] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 71.669654][ T5070] CPU: 0 PID: 5070 Comm: syz-executor328 Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 [ 71.680250][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 71.690326][ T5070] Call Trace: [ 71.693614][ T5070] [ 71.696545][ T5070] dump_stack_lvl+0x1b1/0x290 [ 71.701340][ T5070] ? nf_tcp_handle_invalid+0x630/0x630 [ 71.706923][ T5070] ? panic+0x710/0x710 [ 71.711011][ T5070] ? tick_nohz_tick_stopped+0x76/0xb0 [ 71.716400][ T5070] ? __irq_work_queue_local+0x121/0x180 [ 71.721972][ T5070] ? vscnprintf+0x59/0x80 [ 71.726412][ T5070] panic+0x2d6/0x710 [ 71.730347][ T5070] ? check_panic_on_warn+0x1d/0xa0 [ 71.735512][ T5070] ? memcpy_page_flushcache+0x100/0x100 [ 71.741159][ T5070] ? dump_stack_lvl+0x20b/0x290 [ 71.746050][ T5070] ? rcu_read_lock_sched_held+0x87/0x110 [ 71.751701][ T5070] check_panic_on_warn+0x80/0xa0 [ 71.756830][ T5070] __ubsan_handle_out_of_bounds+0x102/0x110 [ 71.762744][ T5070] dtSearch+0x184b/0x26c0 [ 71.767102][ T5070] ? rcu_read_lock_sched_held+0x87/0x110 [ 71.772954][ T5070] ? get_UCSname+0xde/0x610 [ 71.777513][ T5070] jfs_lookup+0x11e/0x380 [ 71.781874][ T5070] ? jfs_get_parent+0xa0/0xa0 [ 71.786597][ T5070] ? d_alloc_parallel+0x1144/0x1240 [ 71.791840][ T5070] ? __d_lookup+0x6a4/0x770 [ 71.796733][ T5070] ? mode_strip_sgid+0x9b/0x200 [ 71.801597][ T5070] ? jfs_get_parent+0xa0/0xa0 [ 71.806288][ T5070] path_openat+0x10c2/0x2dd0 [ 71.810950][ T5070] ? do_filp_open+0x4f0/0x4f0 [ 71.815949][ T5070] do_filp_open+0x264/0x4f0 [ 71.820579][ T5070] ? vfs_tmpfile+0x490/0x490 [ 71.825215][ T5070] ? do_raw_spin_unlock+0x134/0x8a0 [ 71.830442][ T5070] ? _raw_spin_unlock+0x24/0x40 [ 71.835406][ T5070] ? alloc_fd+0x5a7/0x640 [ 71.840894][ T5070] do_sys_openat2+0x124/0x4e0 [ 71.845597][ T5070] ? print_irqtrace_events+0x220/0x220 [ 71.851070][ T5070] ? ptrace_stop+0x74d/0x970 [ 71.855678][ T5070] ? do_sys_open+0x220/0x220 [ 71.860289][ T5070] ? lockdep_hardirqs_on+0x8d/0x130 [ 71.865503][ T5070] ? _raw_spin_unlock_irq+0x2a/0x40 [ 71.870751][ T5070] ? ptrace_notify+0x245/0x340 [ 71.875531][ T5070] __x64_sys_open+0x221/0x270 [ 71.880221][ T5070] ? do_sys_openat2+0x4e0/0x4e0 [ 71.885092][ T5070] ? syscall_enter_from_user_mode+0x2e/0x1d0 [ 71.891382][ T5070] ? syscall_enter_from_user_mode+0x86/0x1d0 [ 71.897549][ T5070] do_syscall_64+0x3d/0xb0 [ 71.902246][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 71.908161][ T5070] RIP: 0033:0x7f7b7ddd1859 [ 71.913033][ T5070] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 71.932709][ T5070] RSP: 002b:00007ffe74d76088 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 71.941156][ T5070] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b7ddd1859 [ 71.949141][ T5070] RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 [ 71.957122][ T5070] RBP: 00007f7b7dd910f0 R08: 000000000000234a R09: 0000000000000000 [ 71.965284][ T5070] R10: 0000000000000073 R11: 0000000000000246 R12: 00007f7b7dd91180 [ 71.973615][ T5070] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 71.981700][ T5070] [ 71.984937][ T5070] Kernel Offset: disabled [ 71.989608][ T5070] Rebooting in 86400 seconds..