./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2110764641
<...>
Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts.
execve("./syz-executor2110764641", ["./syz-executor2110764641"], 0x7ffea454b6f0 /* 10 vars */) = 0
brk(NULL) = 0x555555ac2000
brk(0x555555ac2d00) = 0x555555ac2d00
arch_prctl(ARCH_SET_FS, 0x555555ac2380) = 0
set_tid_address(0x555555ac2650) = 5035
set_robust_list(0x555555ac2660, 24) = 0
rseq(0x555555ac2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2110764641", 4096) = 28
getrandom("\xbf\x84\x84\xdf\x9e\x97\xa3\x5c", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555ac2d00
brk(0x555555ae3d00) = 0x555555ae3d00
brk(0x555555ae4000) = 0x555555ae4000
mprotect(0x7f6f617d2000, 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) = 0x7f6f5931c000
[ 41.761189][ T5035] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5035 'syz-executor211'
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(0x7f6f5931c000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./bus", 0777) = 0
mount("/dev/loop0", "./bus", "jfs", MS_SYNCHRONOUS|MS_NODIRATIME|MS_RELATIME|MS_LAZYTIME, "") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
chdir("./bus") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
openat(AT_FDCWD, "blkio.bfq.io_service_bytes_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 41.862293][ T5035] loop0: detected capacity change from 0 to 32768
[ 42.009739][ T5035] ================================================================================
[ 42.019050][ T5035] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 42.026229][ T5035] shift exponent -1 is negative
[ 42.031133][ T5035] CPU: 1 PID: 5035 Comm: syz-executor211 Not tainted 6.5.0-rc4-next-20230801-syzkaller #0
[ 42.041031][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 42.051073][ T5035] Call Trace:
[ 42.054335][ T5035]
[ 42.057251][ T5035] dump_stack_lvl+0x125/0x1b0
[ 42.061924][ T5035] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 42.068360][ T5035] extAlloc.cold+0x8b/0xc5
[ 42.072774][ T5035] ? jfs_ioc_trim+0x5c0/0x5c0
[ 42.077436][ T5035] ? down_write_nested+0x153/0x200
[ 42.082536][ T5035] ? lock_acquire+0x464/0x510
[ 42.087219][ T5035] ? lock_sync+0x190/0x190
[ 42.091643][ T5035] jfs_get_block+0x428/0xb20
[ 42.096251][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.100936][ T5035] ? folio_flags.constprop.0+0x56/0x150
[ 42.106474][ T5035] ? do_raw_spin_unlock+0x173/0x230
[ 42.111666][ T5035] ? _raw_spin_unlock+0x28/0x40
[ 42.116504][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.121170][ T5035] __block_write_begin_int+0x3c0/0x1470
[ 42.126706][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.131384][ T5035] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 42.136926][ T5035] block_write_begin+0xb1/0x490
[ 42.141784][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.146477][ T5035] jfs_write_begin+0x31/0xd0
[ 42.151080][ T5035] generic_perform_write+0x278/0x600
[ 42.156371][ T5035] ? folio_add_wait_queue+0x1c0/0x1c0
[ 42.161758][ T5035] ? new_inode+0x270/0x270
[ 42.166190][ T5035] ? generic_write_checks_count+0x2d0/0x2d0
[ 42.172090][ T5035] __generic_file_write_iter+0x1f9/0x240
[ 42.177730][ T5035] generic_file_write_iter+0xe3/0x350
[ 42.183135][ T5035] vfs_write+0x650/0xe40
[ 42.187375][ T5035] ? kernel_write+0x6c0/0x6c0
[ 42.192048][ T5035] ? rcu_is_watching+0x12/0xb0
[ 42.196812][ T5035] ksys_write+0x12f/0x250
[ 42.201150][ T5035] ? __ia32_sys_read+0xb0/0xb0
[ 42.205908][ T5035] ? _raw_spin_unlock_irq+0x2e/0x50
[ 42.211105][ T5035] ? ptrace_notify+0xf4/0x130
[ 42.215779][ T5035] do_syscall_64+0x38/0xb0
[ 42.220193][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 42.226087][ T5035] RIP: 0033:0x7f6f61759639
[ 42.230495][ T5035] 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
[ 42.250099][ T5035] RSP: 002b:00007ffddf154cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.258521][ T5035] RAX: ffffffffffffffda RBX: 00007ffddf154ec8 RCX: 00007f6f61759639
[ 42.266486][ T5035] RDX: 000000000208e24b RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.274464][ T5035] RBP: 00007f6f617d2610 R08: 0000000000000000 R09: 00007ffddf154ec8
[ 42.282430][ T5035] R10: 0000000000005e08 R11: 0000000000000246 R12: 0000000000000001
[ 42.290395][ T5035] R13: 00007ffddf154eb8 R14: 0000000000000001 R15: 0000000000000001
[ 42.298368][ T5035]
[ 42.301483][ T5035] ================================================================================
[ 42.310795][ T5035] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 42.317980][ T5035] CPU: 1 PID: 5035 Comm: syz-executor211 Not tainted 6.5.0-rc4-next-20230801-syzkaller #0
[ 42.327861][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 42.337907][ T5035] Call Trace:
[ 42.341178][ T5035]
[ 42.344100][ T5035] dump_stack_lvl+0xd9/0x1b0
[ 42.348796][ T5035] panic+0x6a4/0x750
[ 42.352713][ T5035] ? panic_smp_self_stop+0xa0/0xa0
[ 42.357995][ T5035] ? syslog_print_all+0x3f0/0x3f0
[ 42.363022][ T5035] check_panic_on_warn+0xab/0xb0
[ 42.367959][ T5035] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 42.374384][ T5035] extAlloc.cold+0x8b/0xc5
[ 42.378804][ T5035] ? jfs_ioc_trim+0x5c0/0x5c0
[ 42.383478][ T5035] ? down_write_nested+0x153/0x200
[ 42.388586][ T5035] ? lock_acquire+0x464/0x510
[ 42.393261][ T5035] ? lock_sync+0x190/0x190
[ 42.397692][ T5035] jfs_get_block+0x428/0xb20
[ 42.402292][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.406975][ T5035] ? folio_flags.constprop.0+0x56/0x150
[ 42.412521][ T5035] ? do_raw_spin_unlock+0x173/0x230
[ 42.417723][ T5035] ? _raw_spin_unlock+0x28/0x40
[ 42.422574][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.427251][ T5035] __block_write_begin_int+0x3c0/0x1470
[ 42.432795][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.437489][ T5035] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 42.443033][ T5035] block_write_begin+0xb1/0x490
[ 42.447880][ T5035] ? jfs_read_folio+0x20/0x20
[ 42.452557][ T5035] jfs_write_begin+0x31/0xd0
[ 42.457155][ T5035] generic_perform_write+0x278/0x600
[ 42.462439][ T5035] ? folio_add_wait_queue+0x1c0/0x1c0
[ 42.467804][ T5035] ? new_inode+0x270/0x270
[ 42.472224][ T5035] ? generic_write_checks_count+0x2d0/0x2d0
[ 42.478115][ T5035] __generic_file_write_iter+0x1f9/0x240
[ 42.483744][ T5035] generic_file_write_iter+0xe3/0x350
[ 42.489128][ T5035] vfs_write+0x650/0xe40
[ 42.493366][ T5035] ? kernel_write+0x6c0/0x6c0
[ 42.498051][ T5035] ? rcu_is_watching+0x12/0xb0
[ 42.502813][ T5035] ksys_write+0x12f/0x250
[ 42.507151][ T5035] ? __ia32_sys_read+0xb0/0xb0
[ 42.511909][ T5035] ? _raw_spin_unlock_irq+0x2e/0x50
[ 42.517117][ T5035] ? ptrace_notify+0xf4/0x130
[ 42.521789][ T5035] do_syscall_64+0x38/0xb0
[ 42.526208][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 42.532121][ T5035] RIP: 0033:0x7f6f61759639
[ 42.536542][ T5035] 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
[ 42.556232][ T5035] RSP: 002b:00007ffddf154cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 42.564725][ T5035] RAX: ffffffffffffffda RBX: 00007ffddf154ec8 RCX: 00007f6f61759639
[ 42.572688][ T5035] RDX: 000000000208e24b RSI: 00000000200000c0 RDI: 0000000000000004
[ 42.580650][ T5035] RBP: 00007f6f617d2610 R08: 0000000000000000 R09: 00007ffddf154ec8
[ 42.588614][ T5035] R10: 0000000000005e08 R11: 0000000000000246 R12: 0000000000000001
[ 42.596577][ T5035] R13: 00007ffddf154eb8 R14: 0000000000000001 R15: 0000000000000001
[ 42.604546][ T5035]
[ 42.607742][ T5035] Kernel Offset: disabled
[ 42.612048][ T5035] Rebooting in 86400 seconds..