./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1558712713
<...>
Warning: Permanently added '10.128.1.138' (ED25519) to the list of known hosts.
execve("./syz-executor1558712713", ["./syz-executor1558712713"], 0x7ffc74d7ab20 /* 10 vars */) = 0
brk(NULL) = 0x555556f93000
brk(0x555556f93d00) = 0x555556f93d00
arch_prctl(ARCH_SET_FS, 0x555556f93380) = 0
set_tid_address(0x555556f93650) = 5038
set_robust_list(0x555556f93660, 24) = 0
rseq(0x555556f93ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1558712713", 4096) = 28
getrandom("\x62\xff\x98\x49\x8e\xed\x65\xc7", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556f93d00
brk(0x555556fb4d00) = 0x555556fb4d00
brk(0x555556fb5000) = 0x555556fb5000
mprotect(0x7fef254f2000, 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) = 0x7fef1d03c000
syzkaller login: [ 62.782783][ T5038] syz-executor155[5038]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
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(0x7fef1d03c000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0
mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "jfs", MS_NOSUID, "uid=0x0000000000000000,noquota,grpquota,iocharset=macgaelic,") = 0
openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
openat(AT_FDCWD, "blkio.bfq.sectors", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 62.917622][ T5038] loop0: detected capacity change from 0 to 32768
[ 63.134712][ T5038] ================================================================================
[ 63.144071][ T5038] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 63.151301][ T5038] shift exponent -1 is negative
[ 63.156164][ T5038] CPU: 1 PID: 5038 Comm: syz-executor155 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 63.166073][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 63.176126][ T5038] Call Trace:
[ 63.179548][ T5038] <TASK>
[ 63.182480][ T5038] dump_stack_lvl+0x125/0x1b0
[ 63.187172][ T5038] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 63.193612][ T5038] extAlloc.cold+0x8b/0xc5
[ 63.198049][ T5038] ? jfs_ioc_trim+0x5c0/0x5c0
[ 63.202719][ T5038] ? down_write_nested+0x153/0x200
[ 63.207835][ T5038] ? lock_acquire+0x464/0x510
[ 63.212518][ T5038] ? lockdep_init_map_type+0x16d/0x7c0
[ 63.217990][ T5038] ? lock_sync+0x190/0x190
[ 63.222416][ T5038] jfs_get_block+0x428/0xb20
[ 63.227010][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.231721][ T5038] ? folio_flags.constprop.0+0x56/0x150
[ 63.237270][ T5038] ? do_raw_spin_unlock+0x173/0x230
[ 63.242538][ T5038] ? _raw_spin_unlock+0x28/0x40
[ 63.247407][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.252090][ T5038] __block_write_begin_int+0x3c0/0x1470
[ 63.257658][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.262335][ T5038] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 63.267888][ T5038] ? folio_flags+0x71/0x1f0
[ 63.272392][ T5038] block_write_begin+0xb1/0x490
[ 63.277244][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.281927][ T5038] jfs_write_begin+0x31/0xd0
[ 63.286539][ T5038] generic_perform_write+0x278/0x600
[ 63.291849][ T5038] ? folio_add_wait_queue+0x1c0/0x1c0
[ 63.297224][ T5038] ? generic_write_checks+0x2b0/0x3f0
[ 63.302620][ T5038] __generic_file_write_iter+0x1f9/0x240
[ 63.308289][ T5038] generic_file_write_iter+0xe3/0x350
[ 63.313674][ T5038] vfs_write+0x650/0xe40
[ 63.317940][ T5038] ? kernel_write+0x6c0/0x6c0
[ 63.322636][ T5038] ? rcu_is_watching+0x12/0xb0
[ 63.327412][ T5038] ? reacquire_held_locks+0x4b0/0x4b0
[ 63.332797][ T5038] ? __fget_light+0x1fc/0x260
[ 63.337491][ T5038] ksys_write+0x12f/0x250
[ 63.341874][ T5038] ? __ia32_sys_read+0xb0/0xb0
[ 63.346734][ T5038] ? _raw_spin_unlock_irq+0x2e/0x50
[ 63.351940][ T5038] ? ptrace_notify+0xf4/0x130
[ 63.356628][ T5038] do_syscall_64+0x38/0xb0
[ 63.361066][ T5038] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.366971][ T5038] RIP: 0033:0x7fef25479a39
[ 63.371441][ T5038] 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
[ 63.391062][ T5038] RSP: 002b:00007ffe6e76ca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.399478][ T5038] RAX: ffffffffffffffda RBX: 00007ffe6e76cc28 RCX: 00007fef25479a39
[ 63.407463][ T5038] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004
[ 63.415431][ T5038] RBP: 00007fef254f2610 R08: 0000000000000000 R09: 00007ffe6e76cc28
[ 63.423396][ T5038] R10: 0000000000005de8 R11: 0000000000000246 R12: 0000000000000001
[ 63.431449][ T5038] R13: 00007ffe6e76cc18 R14: 0000000000000001 R15: 0000000000000001
[ 63.439442][ T5038] </TASK>
[ 63.442814][ T5038] ================================================================================
[ 63.452166][ T5038] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 63.459368][ T5038] CPU: 1 PID: 5038 Comm: syz-executor155 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 63.469280][ T5038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 63.479344][ T5038] Call Trace:
[ 63.482795][ T5038] <TASK>
[ 63.485722][ T5038] dump_stack_lvl+0xd9/0x1b0
[ 63.490325][ T5038] panic+0x6a6/0x750
[ 63.494224][ T5038] ? panic_smp_self_stop+0xa0/0xa0
[ 63.499338][ T5038] ? syslog_print_all+0x3f0/0x3f0
[ 63.504372][ T5038] check_panic_on_warn+0xab/0xb0
[ 63.509315][ T5038] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 63.515739][ T5038] extAlloc.cold+0x8b/0xc5
[ 63.520255][ T5038] ? jfs_ioc_trim+0x5c0/0x5c0
[ 63.524935][ T5038] ? down_write_nested+0x153/0x200
[ 63.530047][ T5038] ? lock_acquire+0x464/0x510
[ 63.534725][ T5038] ? lockdep_init_map_type+0x16d/0x7c0
[ 63.540216][ T5038] ? lock_sync+0x190/0x190
[ 63.544637][ T5038] jfs_get_block+0x428/0xb20
[ 63.549234][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.553908][ T5038] ? folio_flags.constprop.0+0x56/0x150
[ 63.559455][ T5038] ? do_raw_spin_unlock+0x173/0x230
[ 63.564681][ T5038] ? _raw_spin_unlock+0x28/0x40
[ 63.569532][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.574234][ T5038] __block_write_begin_int+0x3c0/0x1470
[ 63.579804][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.584490][ T5038] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 63.590300][ T5038] ? folio_flags+0x71/0x1f0
[ 63.594804][ T5038] block_write_begin+0xb1/0x490
[ 63.599672][ T5038] ? jfs_read_folio+0x20/0x20
[ 63.604359][ T5038] jfs_write_begin+0x31/0xd0
[ 63.608965][ T5038] generic_perform_write+0x278/0x600
[ 63.614330][ T5038] ? folio_add_wait_queue+0x1c0/0x1c0
[ 63.619717][ T5038] ? generic_write_checks+0x2b0/0x3f0
[ 63.625099][ T5038] __generic_file_write_iter+0x1f9/0x240
[ 63.631130][ T5038] generic_file_write_iter+0xe3/0x350
[ 63.636541][ T5038] vfs_write+0x650/0xe40
[ 63.640811][ T5038] ? kernel_write+0x6c0/0x6c0
[ 63.645502][ T5038] ? rcu_is_watching+0x12/0xb0
[ 63.650282][ T5038] ? reacquire_held_locks+0x4b0/0x4b0
[ 63.655665][ T5038] ? __fget_light+0x1fc/0x260
[ 63.660345][ T5038] ksys_write+0x12f/0x250
[ 63.664679][ T5038] ? __ia32_sys_read+0xb0/0xb0
[ 63.669447][ T5038] ? _raw_spin_unlock_irq+0x2e/0x50
[ 63.674650][ T5038] ? ptrace_notify+0xf4/0x130
[ 63.679361][ T5038] do_syscall_64+0x38/0xb0
[ 63.683783][ T5038] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.689874][ T5038] RIP: 0033:0x7fef25479a39
[ 63.694498][ T5038] 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
[ 63.722195][ T5038] RSP: 002b:00007ffe6e76ca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.730873][ T5038] RAX: ffffffffffffffda RBX: 00007ffe6e76cc28 RCX: 00007fef25479a39
[ 63.738860][ T5038] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004
[ 63.746849][ T5038] RBP: 00007fef254f2610 R08: 0000000000000000 R09: 00007ffe6e76cc28
[ 63.754942][ T5038] R10: 0000000000005de8 R11: 0000000000000246 R12: 0000000000000001
[ 63.764071][ T5038] R13: 00007ffe6e76cc18 R14: 0000000000000001 R15: 0000000000000001
[ 63.772232][ T5038] </TASK>
[ 63.775451][ T5038] Kernel Offset: disabled
[ 63.779776][ T5038] Rebooting in 86400 seconds..