./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1486519058 <...> Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. execve("./syz-executor1486519058", ["./syz-executor1486519058"], 0x7ffd7303e500 /* 10 vars */) = 0 brk(NULL) = 0x55555626c000 brk(0x55555626cc40) = 0x55555626cc40 arch_prctl(ARCH_SET_FS, 0x55555626c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1486519058", 4096) = 28 brk(0x55555628dc40) = 0x55555628dc40 brk(0x55555628e000) = 0x55555628e000 mprotect(0x7f4a19fd6000, 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 ftruncate(3, 135266304) = 0 pwrite64(3, "\x01\x16\x19\x70\x00\x00\x00\x01\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x64\x00\x00\x00\x00\x00\x00\x07\x09\x00\x00\x07\x6c\x00\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x08\x19\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x09\x25\x6c\x6f\x63\x6b"..., 101, 65536) = 101 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 mkdir("./file0", 0777) = 0 [ 36.919297][ T3603] loop0: detected capacity change from 0 to 264192 [ 36.928433][ T3603] gfs2: fsid=loop0: Trying to join cluster "lock_nolock", "loop0" [ 36.936241][ T3603] gfs2: fsid=loop0: Now mounting FS (format 1801)... [ 36.943460][ T3603] ================================================================================ [ 36.952832][ T3603] UBSAN: shift-out-of-bounds in fs/gfs2/meta_io.c:128:16 [ 36.959886][ T3603] shift exponent 4294967293 is too large for 64-bit type 'long long unsigned int' [ 36.969117][ T3603] CPU: 0 PID: 3603 Comm: syz-executor148 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 36.979166][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.989645][ T3603] Call Trace: [ 36.992909][ T3603] [ 36.995824][ T3603] dump_stack_lvl+0xcd/0x134 [ 37.000406][ T3603] ubsan_epilogue+0xb/0x50 [ 37.004812][ T3603] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 37.011567][ T3603] ? name_to_dev_t+0x969/0x990 [ 37.016327][ T3603] ? vtime_account_system+0x2c6/0x530 [ 37.021728][ T3603] gfs2_getbuf.cold+0x1b/0x32 [ 37.026404][ T3603] gfs2_meta_read+0x19b/0x9c0 [ 37.031069][ T3603] ? gfs2_meta_new+0x160/0x160 [ 37.036325][ T3603] ? __schedule+0xae7/0x5270 [ 37.040928][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 37.045764][ T3603] ? __phys_addr+0xc4/0x140 [ 37.050350][ T3603] gfs2_meta_buffer+0x145/0x3f0 [ 37.055199][ T3603] ? gfs2_journal_wipe+0xd00/0xd00 [ 37.060476][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.065932][ T3603] ? lock_acquire+0x480/0x570 [ 37.070597][ T3603] gfs2_inode_refresh+0x97/0xf50 [ 37.075530][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 37.080541][ T3603] ? inode_go_sync+0x560/0x560 [ 37.085300][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 37.090224][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.095682][ T3603] ? lock_release+0x560/0x780 [ 37.100349][ T3603] ? gfs2_glock_nq+0x5fd/0x1650 [ 37.105201][ T3603] inode_go_instantiate+0x46/0x60 [ 37.110311][ T3603] gfs2_instantiate+0x166/0x250 [ 37.115161][ T3603] gfs2_glock_wait+0x193/0x2e0 [ 37.119917][ T3603] gfs2_glock_nq+0xa81/0x1650 [ 37.124593][ T3603] gfs2_lookupi+0x369/0x6a0 [ 37.129266][ T3603] ? gfs2_lookup_by_inum+0x100/0x100 [ 37.134562][ T3603] ? gfs2_lookup_simple+0x99/0xe0 [ 37.139578][ T3603] ? crc32_body+0x348/0x5f0 [ 37.144072][ T3603] ? lock_release+0x560/0x780 [ 37.148737][ T3603] ? kmem_cache_alloc_lru+0x49/0x720 [ 37.154015][ T3603] gfs2_lookup_simple+0x99/0xe0 [ 37.158861][ T3603] ? gfs2_rename2+0xa0/0xa0 [ 37.163353][ T3603] ? format_decode+0x230/0xad0 [ 37.168111][ T3603] ? enable_ptr_key_workfn+0x20/0x20 [ 37.173384][ T3603] ? lock_release+0x560/0x780 [ 37.178052][ T3603] init_inodes+0x420/0x2790 [ 37.182544][ T3603] ? memcpy+0x39/0x60 [ 37.186512][ T3603] ? vsnprintf+0x2cc/0x14f0 [ 37.191017][ T3603] ? end_bio_io_page+0xa0/0xa0 [ 37.195780][ T3603] ? pointer+0xb10/0xb10 [ 37.200027][ T3603] ? gfs2_glock_dq_uninit+0x87/0x100 [ 37.205316][ T3603] ? snprintf+0xbb/0xf0 [ 37.209469][ T3603] ? vsprintf+0x30/0x30 [ 37.213615][ T3603] ? gfs2_read_super+0x17a0/0x17a0 [ 37.218746][ T3603] ? __debugfs_create_file+0x392/0x540 [ 37.224202][ T3603] gfs2_fill_super+0x1a3d/0x27f0 [ 37.229153][ T3603] ? gfs2_reconfigure+0x1060/0x1060 [ 37.234343][ T3603] ? gfs2_fill_super+0x1744/0x27f0 [ 37.239455][ T3603] ? snprintf+0xbb/0xf0 [ 37.243603][ T3603] ? vsprintf+0x30/0x30 [ 37.247770][ T3603] ? wait_for_completion_io_timeout+0x20/0x20 [ 37.253834][ T3603] ? set_blocksize+0x2e5/0x370 [ 37.258595][ T3603] get_tree_bdev+0x440/0x760 [ 37.263271][ T3603] ? gfs2_reconfigure+0x1060/0x1060 [ 37.268459][ T3603] gfs2_get_tree+0x4a/0x270 [ 37.272951][ T3603] vfs_get_tree+0x89/0x2f0 [ 37.277366][ T3603] path_mount+0x1326/0x1e20 [ 37.281873][ T3603] ? kmem_cache_free+0xeb/0x5b0 [ 37.286716][ T3603] ? finish_automount+0x960/0x960 [ 37.291737][ T3603] ? putname+0xfe/0x140 [ 37.295974][ T3603] __x64_sys_mount+0x27f/0x300 [ 37.300733][ T3603] ? copy_mnt_ns+0xae0/0xae0 [ 37.305591][ T3603] ? _raw_spin_unlock_irq+0x2a/0x40 [ 37.310779][ T3603] ? ptrace_notify+0xfa/0x140 [ 37.315449][ T3603] do_syscall_64+0x35/0xb0 [ 37.319857][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.325742][ T3603] RIP: 0033:0x7f4a19f6b42a [ 37.330239][ T3603] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.349836][ T3603] RSP: 002b:00007ffca8752068 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 37.358239][ T3603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4a19f6b42a [ 37.366197][ T3603] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffca8752080 [ 37.374153][ T3603] RBP: 00007ffca8752080 R08: 00007ffca87520c0 R09: 000055555626c2c0 [ 37.382110][ T3603] R10: 0000000000000008 R11: 0000000000000282 R12: 0000000000000004 [ 37.390070][ T3603] R13: 00007ffca87520c0 R14: 0000000000000001 R15: 0000000020000218 [ 37.398031][ T3603] [ 37.401213][ T3603] ================================================================================ [ 37.410655][ T3603] Kernel panic - not syncing: panic_on_warn set ... [ 37.417230][ T3603] CPU: 0 PID: 3603 Comm: syz-executor148 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 37.427368][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.437927][ T3603] Call Trace: [ 37.441209][ T3603] [ 37.444214][ T3603] dump_stack_lvl+0xcd/0x134 [ 37.448800][ T3603] panic+0x2c8/0x622 [ 37.452794][ T3603] ? panic_print_sys_info.part.0+0x10b/0x10b [ 37.458869][ T3603] ? ubsan_epilogue+0x3e/0x50 [ 37.463538][ T3603] ubsan_epilogue+0x4a/0x50 [ 37.468052][ T3603] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 [ 37.475166][ T3603] ? name_to_dev_t+0x969/0x990 [ 37.479932][ T3603] ? vtime_account_system+0x2c6/0x530 [ 37.485419][ T3603] gfs2_getbuf.cold+0x1b/0x32 [ 37.490106][ T3603] gfs2_meta_read+0x19b/0x9c0 [ 37.494772][ T3603] ? gfs2_meta_new+0x160/0x160 [ 37.499609][ T3603] ? __schedule+0xae7/0x5270 [ 37.504193][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 37.509032][ T3603] ? __phys_addr+0xc4/0x140 [ 37.513523][ T3603] gfs2_meta_buffer+0x145/0x3f0 [ 37.518364][ T3603] ? gfs2_journal_wipe+0xd00/0xd00 [ 37.523640][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.529096][ T3603] ? lock_acquire+0x480/0x570 [ 37.533762][ T3603] gfs2_inode_refresh+0x97/0xf50 [ 37.538693][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 37.543703][ T3603] ? inode_go_sync+0x560/0x560 [ 37.548565][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 37.553661][ T3603] ? rcu_read_lock_sched_held+0xd/0x70 [ 37.559118][ T3603] ? lock_release+0x560/0x780 [ 37.563798][ T3603] ? gfs2_glock_nq+0x5fd/0x1650 [ 37.568641][ T3603] inode_go_instantiate+0x46/0x60 [ 37.573658][ T3603] gfs2_instantiate+0x166/0x250 [ 37.578502][ T3603] gfs2_glock_wait+0x193/0x2e0 [ 37.583258][ T3603] gfs2_glock_nq+0xa81/0x1650 [ 37.588020][ T3603] gfs2_lookupi+0x369/0x6a0 [ 37.592516][ T3603] ? gfs2_lookup_by_inum+0x100/0x100 [ 37.597792][ T3603] ? gfs2_lookup_simple+0x99/0xe0 [ 37.602807][ T3603] ? crc32_body+0x348/0x5f0 [ 37.607297][ T3603] ? lock_release+0x560/0x780 [ 37.611959][ T3603] ? kmem_cache_alloc_lru+0x49/0x720 [ 37.617236][ T3603] gfs2_lookup_simple+0x99/0xe0 [ 37.622088][ T3603] ? gfs2_rename2+0xa0/0xa0 [ 37.626583][ T3603] ? format_decode+0x230/0xad0 [ 37.631338][ T3603] ? enable_ptr_key_workfn+0x20/0x20 [ 37.636614][ T3603] ? lock_release+0x560/0x780 [ 37.641274][ T3603] init_inodes+0x420/0x2790 [ 37.645769][ T3603] ? memcpy+0x39/0x60 [ 37.649732][ T3603] ? vsnprintf+0x2cc/0x14f0 [ 37.654224][ T3603] ? end_bio_io_page+0xa0/0xa0 [ 37.658975][ T3603] ? pointer+0xb10/0xb10 [ 37.663204][ T3603] ? gfs2_glock_dq_uninit+0x87/0x100 [ 37.668483][ T3603] ? snprintf+0xbb/0xf0 [ 37.672662][ T3603] ? vsprintf+0x30/0x30 [ 37.676820][ T3603] ? gfs2_read_super+0x17a0/0x17a0 [ 37.681927][ T3603] ? __debugfs_create_file+0x392/0x540 [ 37.687382][ T3603] gfs2_fill_super+0x1a3d/0x27f0 [ 37.692322][ T3603] ? gfs2_reconfigure+0x1060/0x1060 [ 37.697515][ T3603] ? gfs2_fill_super+0x1744/0x27f0 [ 37.702615][ T3603] ? snprintf+0xbb/0xf0 [ 37.706759][ T3603] ? vsprintf+0x30/0x30 [ 37.710924][ T3603] ? wait_for_completion_io_timeout+0x20/0x20 [ 37.716987][ T3603] ? set_blocksize+0x2e5/0x370 [ 37.721745][ T3603] get_tree_bdev+0x440/0x760 [ 37.726332][ T3603] ? gfs2_reconfigure+0x1060/0x1060 [ 37.731521][ T3603] gfs2_get_tree+0x4a/0x270 [ 37.736013][ T3603] vfs_get_tree+0x89/0x2f0 [ 37.740425][ T3603] path_mount+0x1326/0x1e20 [ 37.744924][ T3603] ? kmem_cache_free+0xeb/0x5b0 [ 37.749769][ T3603] ? finish_automount+0x960/0x960 [ 37.754792][ T3603] ? putname+0xfe/0x140 [ 37.758942][ T3603] __x64_sys_mount+0x27f/0x300 [ 37.763699][ T3603] ? copy_mnt_ns+0xae0/0xae0 [ 37.768283][ T3603] ? _raw_spin_unlock_irq+0x2a/0x40 [ 37.773470][ T3603] ? ptrace_notify+0xfa/0x140 [ 37.778325][ T3603] do_syscall_64+0x35/0xb0 [ 37.782734][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.788622][ T3603] RIP: 0033:0x7f4a19f6b42a [ 37.793020][ T3603] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.812612][ T3603] RSP: 002b:00007ffca8752068 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 37.821032][ T3603] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4a19f6b42a [ 37.829017][ T3603] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffca8752080 [ 37.836976][ T3603] RBP: 00007ffca8752080 R08: 00007ffca87520c0 R09: 000055555626c2c0 [ 37.844934][ T3603] R10: 0000000000000008 R11: 0000000000000282 R12: 0000000000000004 [ 37.852891][ T3603] R13: 00007ffca87520c0 R14: 0000000000000001 R15: 0000000020000218 [ 37.860958][ T3603] [ 37.864528][ T3603] Kernel Offset: disabled [ 37.868836][ T3603] Rebooting in 86400 seconds..