./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2391224344 <...> DUID 00:04:7c:7c:42:18:3f:30:8d:b4:e2:57:c6:a5:0a:a4:65:8b forked to background, child pid 4645 [ 30.613900][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.627248][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. execve("./syz-executor2391224344", ["./syz-executor2391224344"], 0x7ffe928ed140 /* 10 vars */) = 0 brk(NULL) = 0x5555569b4000 brk(0x5555569b4c40) = 0x5555569b4c40 arch_prctl(ARCH_SET_FS, 0x5555569b4300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2391224344", 4096) = 28 brk(0x5555569d5c40) = 0x5555569d5c40 brk(0x5555569d6000) = 0x5555569d6000 mprotect(0x7f2ba539f000, 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) = 0x7f2b9cee0000 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(0x7f2b9cee0000, 16777216) = 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", 0, "discard=0x0000000000000004,noquota,iocharset=koi8-ru,") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 open(".", O_RDONLY) = 4 syzkaller login: [ 56.029059][ T5067] loop0: detected capacity change from 0 to 32768 [ 56.060124][ T5067] ================================================================================ [ 56.070241][ T5067] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2941:16 [ 56.077993][ T5067] index 1381 is out of range for type 's8 [1365]' [ 56.084743][ T5067] CPU: 0 PID: 5067 Comm: syz-executor239 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 [ 56.095171][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.105222][ T5067] Call Trace: [ 56.108501][ T5067] [ 56.111440][ T5067] dump_stack_lvl+0x1b1/0x290 [ 56.116144][ T5067] ? nf_tcp_handle_invalid+0x630/0x630 [ 56.121602][ T5067] ? vsnprintf+0x19e/0x1cb0 [ 56.126104][ T5067] ? panic+0x710/0x710 [ 56.130187][ T5067] __ubsan_handle_out_of_bounds+0xe0/0x110 [ 56.136254][ T5067] ? workingset_activation+0x344/0x460 [ 56.141724][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.146321][ T5067] dbFindLeaf+0x30a/0x440 [ 56.150665][ T5067] dbAllocDmapLev+0xa9/0x420 [ 56.155257][ T5067] ? folio_unlock+0x112/0x310 [ 56.159949][ T5067] ? dbAllocNear+0x390/0x390 [ 56.164549][ T5067] ? __get_metapage+0x973/0xff0 [ 56.169415][ T5067] dbAllocCtl+0x113/0x970 [ 56.173754][ T5067] ? __mutex_unlock_slowpath+0x222/0x770 [ 56.179407][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.184016][ T5067] dbAllocAG+0x28b/0x1100 [ 56.188351][ T5067] ? __x64_sys_mkdirat+0x85/0x90 [ 56.193292][ T5067] ? do_syscall_64+0x3d/0xb0 [ 56.197892][ T5067] ? down_write_nested+0x1ab/0x280 [ 56.203016][ T5067] ? dbAllocDmapLev+0x420/0x420 [ 56.207871][ T5067] ? fs_reclaim_acquire+0xaa/0x120 [ 56.212988][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.217581][ T5067] dbAlloc+0x661/0xc90 [ 56.221683][ T5067] ? dbNextAG+0x630/0x630 [ 56.226013][ T5067] ? __kmem_cache_alloc_node+0x21a/0x340 [ 56.231644][ T5067] ? dtInsert+0x6ad/0x6b80 [ 56.236070][ T5067] dtInsert+0xc0e/0x6b80 [ 56.240308][ T5067] ? jfs_mkdir+0x29d/0xb00 [ 56.244725][ T5067] ? do_syscall_64+0x3d/0xb0 [ 56.249315][ T5067] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.255387][ T5067] ? print_irqtrace_events+0x220/0x220 [ 56.260846][ T5067] ? do_raw_spin_unlock+0x134/0x8a0 [ 56.266052][ T5067] ? mark_lock+0x9a/0x350 [ 56.270386][ T5067] ? dtSearch+0x26c0/0x26c0 [ 56.274889][ T5067] ? rcu_read_lock_sched_held+0x87/0x110 [ 56.280517][ T5067] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 56.286503][ T5067] ? txLock+0x23a/0x19f0 [ 56.290746][ T5067] ? trace_lock_release+0x95/0x220 [ 56.295868][ T5067] ? read_lock_is_recursive+0x10/0x10 [ 56.301247][ T5067] ? txLock+0x23a/0x19f0 [ 56.305489][ T5067] ? do_raw_spin_lock+0x147/0x3a0 [ 56.310515][ T5067] ? __lock_acquire+0x1f60/0x1f60 [ 56.315554][ T5067] ? txLock+0xc3e/0x19f0 [ 56.319808][ T5067] ? dtInitRoot+0x23d/0x6c0 [ 56.324313][ T5067] jfs_mkdir+0x757/0xb00 [ 56.328562][ T5067] ? jfs_symlink+0xff0/0xff0 [ 56.333164][ T5067] ? _raw_spin_unlock+0x24/0x40 [ 56.338013][ T5067] ? from_kgid+0x193/0x6b0 [ 56.342435][ T5067] ? make_kgid+0x710/0x710 [ 56.346849][ T5067] ? __lookup_hash+0x123/0x240 [ 56.351616][ T5067] ? apparmor_path_mkdir+0x461/0x520 [ 56.356901][ T5067] ? generic_permission+0x229/0x500 [ 56.362102][ T5067] ? inode_permission+0xf5/0x450 [ 56.367038][ T5067] ? bpf_lsm_inode_mkdir+0x5/0x10 [ 56.372093][ T5067] ? security_inode_mkdir+0xdd/0x120 [ 56.377384][ T5067] vfs_mkdir+0x3b3/0x590 [ 56.381659][ T5067] do_mkdirat+0x25b/0x530 [ 56.385990][ T5067] ? __check_object_size+0x15a/0x210 [ 56.391280][ T5067] ? vfs_mkdir+0x590/0x590 [ 56.395698][ T5067] ? getname_flags+0x1ea/0x4e0 [ 56.400472][ T5067] __x64_sys_mkdirat+0x85/0x90 [ 56.405240][ T5067] do_syscall_64+0x3d/0xb0 [ 56.409663][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.415556][ T5067] RIP: 0033:0x7f2ba532cb29 [ 56.419970][ T5067] 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 [ 56.439567][ T5067] RSP: 002b:00007fffd3c83968 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 56.447978][ T5067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ba532cb29 [ 56.455944][ T5067] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 [ 56.463909][ T5067] RBP: 00007f2ba52ec130 R08: 0000000000000000 R09: 0000000000000000 [ 56.471872][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ba52ec1c0 [ 56.479837][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.487821][ T5067] [ 56.491870][ T5067] ================================================================================ [ 56.501465][ T5067] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.508644][ T5067] CPU: 0 PID: 5067 Comm: syz-executor239 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0 [ 56.519034][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 56.529076][ T5067] Call Trace: [ 56.532339][ T5067] [ 56.535254][ T5067] dump_stack_lvl+0x1b1/0x290 [ 56.539923][ T5067] ? nf_tcp_handle_invalid+0x630/0x630 [ 56.545372][ T5067] ? panic+0x710/0x710 [ 56.549424][ T5067] ? tick_nohz_tick_stopped+0x76/0xb0 [ 56.554809][ T5067] ? __irq_work_queue_local+0x121/0x180 [ 56.560428][ T5067] ? vscnprintf+0x59/0x80 [ 56.564743][ T5067] panic+0x2d6/0x710 [ 56.568624][ T5067] ? check_panic_on_warn+0x1d/0xa0 [ 56.573721][ T5067] ? memcpy_page_flushcache+0x100/0x100 [ 56.579252][ T5067] ? dump_stack_lvl+0x20b/0x290 [ 56.584098][ T5067] check_panic_on_warn+0x80/0xa0 [ 56.589021][ T5067] __ubsan_handle_out_of_bounds+0x102/0x110 [ 56.594901][ T5067] ? workingset_activation+0x344/0x460 [ 56.600347][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.604929][ T5067] dbFindLeaf+0x30a/0x440 [ 56.609250][ T5067] dbAllocDmapLev+0xa9/0x420 [ 56.613830][ T5067] ? folio_unlock+0x112/0x310 [ 56.618497][ T5067] ? dbAllocNear+0x390/0x390 [ 56.623073][ T5067] ? __get_metapage+0x973/0xff0 [ 56.627916][ T5067] dbAllocCtl+0x113/0x970 [ 56.632318][ T5067] ? __mutex_unlock_slowpath+0x222/0x770 [ 56.637936][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.642515][ T5067] dbAllocAG+0x28b/0x1100 [ 56.646833][ T5067] ? __x64_sys_mkdirat+0x85/0x90 [ 56.651759][ T5067] ? do_syscall_64+0x3d/0xb0 [ 56.656347][ T5067] ? down_write_nested+0x1ab/0x280 [ 56.661446][ T5067] ? dbAllocDmapLev+0x420/0x420 [ 56.666284][ T5067] ? fs_reclaim_acquire+0xaa/0x120 [ 56.671392][ T5067] ? __might_sleep+0xc0/0xc0 [ 56.676000][ T5067] dbAlloc+0x661/0xc90 [ 56.680063][ T5067] ? dbNextAG+0x630/0x630 [ 56.684377][ T5067] ? __kmem_cache_alloc_node+0x21a/0x340 [ 56.690003][ T5067] ? dtInsert+0x6ad/0x6b80 [ 56.694419][ T5067] dtInsert+0xc0e/0x6b80 [ 56.698647][ T5067] ? jfs_mkdir+0x29d/0xb00 [ 56.703047][ T5067] ? do_syscall_64+0x3d/0xb0 [ 56.707650][ T5067] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.713706][ T5067] ? print_irqtrace_events+0x220/0x220 [ 56.719148][ T5067] ? do_raw_spin_unlock+0x134/0x8a0 [ 56.724337][ T5067] ? mark_lock+0x9a/0x350 [ 56.728655][ T5067] ? dtSearch+0x26c0/0x26c0 [ 56.733144][ T5067] ? rcu_read_lock_sched_held+0x87/0x110 [ 56.738772][ T5067] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 56.744760][ T5067] ? txLock+0x23a/0x19f0 [ 56.748987][ T5067] ? trace_lock_release+0x95/0x220 [ 56.754089][ T5067] ? read_lock_is_recursive+0x10/0x10 [ 56.759443][ T5067] ? txLock+0x23a/0x19f0 [ 56.763671][ T5067] ? do_raw_spin_lock+0x147/0x3a0 [ 56.768678][ T5067] ? __lock_acquire+0x1f60/0x1f60 [ 56.773702][ T5067] ? txLock+0xc3e/0x19f0 [ 56.777940][ T5067] ? dtInitRoot+0x23d/0x6c0 [ 56.782431][ T5067] jfs_mkdir+0x757/0xb00 [ 56.786664][ T5067] ? jfs_symlink+0xff0/0xff0 [ 56.791249][ T5067] ? _raw_spin_unlock+0x24/0x40 [ 56.796087][ T5067] ? from_kgid+0x193/0x6b0 [ 56.800489][ T5067] ? make_kgid+0x710/0x710 [ 56.804891][ T5067] ? __lookup_hash+0x123/0x240 [ 56.809641][ T5067] ? apparmor_path_mkdir+0x461/0x520 [ 56.814910][ T5067] ? generic_permission+0x229/0x500 [ 56.820097][ T5067] ? inode_permission+0xf5/0x450 [ 56.825018][ T5067] ? bpf_lsm_inode_mkdir+0x5/0x10 [ 56.830024][ T5067] ? security_inode_mkdir+0xdd/0x120 [ 56.835299][ T5067] vfs_mkdir+0x3b3/0x590 [ 56.839537][ T5067] do_mkdirat+0x25b/0x530 [ 56.843853][ T5067] ? __check_object_size+0x15a/0x210 [ 56.849126][ T5067] ? vfs_mkdir+0x590/0x590 [ 56.853535][ T5067] ? getname_flags+0x1ea/0x4e0 [ 56.858291][ T5067] __x64_sys_mkdirat+0x85/0x90 [ 56.863070][ T5067] do_syscall_64+0x3d/0xb0 [ 56.867497][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.873400][ T5067] RIP: 0033:0x7f2ba532cb29 [ 56.877811][ T5067] 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 [ 56.897407][ T5067] RSP: 002b:00007fffd3c83968 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 [ 56.905903][ T5067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ba532cb29 [ 56.913859][ T5067] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000004 [ 56.921901][ T5067] RBP: 00007f2ba52ec130 R08: 0000000000000000 R09: 0000000000000000 [ 56.929858][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2ba52ec1c0 [ 56.937910][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 56.945896][ T5067] [ 56.949157][ T5067] Kernel Offset: disabled [ 56.953691][ T5067] Rebooting in 86400 seconds..