./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3176034633
<...>
Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts.
execve("./syz-executor3176034633", ["./syz-executor3176034633"], 0x7ffde8fdc940 /* 10 vars */) = 0
brk(NULL) = 0x55555574f000
brk(0x55555574fd00) = 0x55555574fd00
arch_prctl(ARCH_SET_FS, 0x55555574f380) = 0
set_tid_address(0x55555574f650) = 5027
set_robust_list(0x55555574f660, 24) = 0
rseq(0x55555574fca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3176034633", 4096) = 28
getrandom("\x6a\x5e\xe7\x69\x48\x07\xb0\x96", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555574fd00
brk(0x555555770d00) = 0x555555770d00
brk(0x555555771000) = 0x555555771000
mprotect(0x7fdc2f1c6000, 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) = 0x7fdc26d10000
[ 59.480354][ T5027] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5027 'syz-executor317'
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(0x7fdc26d10000, 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_NOSUID|MS_DIRSYNC|MS_NODIRATIME|MS_POSIXACL|MS_LAZYTIME, "quota,nodiscard,nodiscard,nodiscard,discard=0x0000000000000008,iocharset=cp852,uid=0x000000000000000"...) = 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, NULL, O_RDWR|O_CREAT|O_NONBLOCK|O_SYNC|O_NOATIME, 000) = -1 EFAULT (Bad address)
openat(AT_FDCWD, "blkio.bfq.sectors", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 59.635044][ T5027] loop0: detected capacity change from 0 to 32768
[ 59.848542][ T5027] ================================================================================
[ 59.857987][ T5027] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 59.865246][ T5027] shift exponent -1 is negative
[ 59.870111][ T5027] CPU: 1 PID: 5027 Comm: syz-executor317 Not tainted 6.5.0-rc4-next-20230803-syzkaller #0
[ 59.880010][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 59.890069][ T5027] Call Trace:
[ 59.893365][ T5027]
[ 59.896309][ T5027] dump_stack_lvl+0x125/0x1b0
[ 59.901011][ T5027] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 59.907443][ T5027] extAlloc.cold+0x8b/0xc5
[ 59.911887][ T5027] ? jfs_ioc_trim+0x5c0/0x5c0
[ 59.916583][ T5027] ? down_write_nested+0x153/0x200
[ 59.921711][ T5027] ? lock_acquire+0x464/0x510
[ 59.926420][ T5027] ? lock_sync+0x190/0x190
[ 59.930865][ T5027] jfs_get_block+0x428/0xb20
[ 59.935478][ T5027] ? jfs_read_folio+0x20/0x20
[ 59.940186][ T5027] ? folio_flags.constprop.0+0x56/0x150
[ 59.945757][ T5027] ? do_raw_spin_unlock+0x173/0x230
[ 59.950993][ T5027] ? _raw_spin_unlock+0x28/0x40
[ 59.955872][ T5027] ? jfs_read_folio+0x20/0x20
[ 59.960584][ T5027] __block_write_begin_int+0x3c0/0x1470
[ 59.966165][ T5027] ? jfs_read_folio+0x20/0x20
[ 59.970884][ T5027] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 59.976460][ T5027] block_write_begin+0xb1/0x490
[ 59.981348][ T5027] ? jfs_read_folio+0x20/0x20
[ 59.986150][ T5027] jfs_write_begin+0x31/0xd0
[ 59.990777][ T5027] generic_perform_write+0x278/0x600
[ 59.996090][ T5027] ? folio_add_wait_queue+0x1c0/0x1c0
[ 60.001486][ T5027] ? new_inode+0x270/0x270
[ 60.005937][ T5027] ? generic_write_checks_count+0x2d0/0x2d0
[ 60.011855][ T5027] __generic_file_write_iter+0x1f9/0x240
[ 60.017517][ T5027] generic_file_write_iter+0xe3/0x350
[ 60.022921][ T5027] vfs_write+0x650/0xe40
[ 60.027187][ T5027] ? kernel_write+0x6c0/0x6c0
[ 60.031885][ T5027] ? rcu_is_watching+0x12/0xb0
[ 60.036672][ T5027] ksys_write+0x12f/0x250
[ 60.041018][ T5027] ? __ia32_sys_read+0xb0/0xb0
[ 60.045805][ T5027] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.051035][ T5027] ? ptrace_notify+0xf4/0x130
[ 60.055741][ T5027] do_syscall_64+0x38/0xb0
[ 60.060188][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.066112][ T5027] RIP: 0033:0x7fdc2f14dab9
[ 60.070546][ T5027] 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
[ 60.090175][ T5027] RSP: 002b:00007ffe852212e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.098608][ T5027] RAX: ffffffffffffffda RBX: 00007fdc2f19604b RCX: 00007fdc2f14dab9
[ 60.106595][ T5027] RDX: 0000000001517460 RSI: 0000000020000580 RDI: 0000000000000004
[ 60.114581][ T5027] RBP: 7261637369646f6e R08: 00007fdc2f1b81a4 R09: 00007ffe852214c8
[ 60.123273][ T5027] R10: 0000000000000000 R11: 0000000000000246 R12: 6573726168636f69
[ 60.131258][ T5027] R13: 00007ffe852214b8 R14: 0000000000000001 R15: 0000000000000001
[ 60.139258][ T5027]
[ 60.142596][ T5027] ================================================================================
[ 60.151937][ T5027] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 60.159131][ T5027] CPU: 1 PID: 5027 Comm: syz-executor317 Not tainted 6.5.0-rc4-next-20230803-syzkaller #0
[ 60.169033][ T5027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 60.179096][ T5027] Call Trace:
[ 60.182380][ T5027]
[ 60.185334][ T5027] dump_stack_lvl+0xd9/0x1b0
[ 60.189946][ T5027] panic+0x6a4/0x750
[ 60.193853][ T5027] ? panic_smp_self_stop+0xa0/0xa0
[ 60.199011][ T5027] ? syslog_print_all+0x3f0/0x3f0
[ 60.204064][ T5027] check_panic_on_warn+0xab/0xb0
[ 60.209021][ T5027] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 60.215455][ T5027] extAlloc.cold+0x8b/0xc5
[ 60.219923][ T5027] ? jfs_ioc_trim+0x5c0/0x5c0
[ 60.224615][ T5027] ? down_write_nested+0x153/0x200
[ 60.229738][ T5027] ? lock_acquire+0x464/0x510
[ 60.234432][ T5027] ? lock_sync+0x190/0x190
[ 60.238868][ T5027] jfs_get_block+0x428/0xb20
[ 60.243479][ T5027] ? jfs_read_folio+0x20/0x20
[ 60.248214][ T5027] ? folio_flags.constprop.0+0x56/0x150
[ 60.253773][ T5027] ? do_raw_spin_unlock+0x173/0x230
[ 60.259010][ T5027] ? _raw_spin_unlock+0x28/0x40
[ 60.263893][ T5027] ? jfs_read_folio+0x20/0x20
[ 60.268604][ T5027] __block_write_begin_int+0x3c0/0x1470
[ 60.274179][ T5027] ? jfs_read_folio+0x20/0x20
[ 60.278895][ T5027] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 60.284473][ T5027] block_write_begin+0xb1/0x490
[ 60.289357][ T5027] ? jfs_read_folio+0x20/0x20
[ 60.294071][ T5027] jfs_write_begin+0x31/0xd0
[ 60.298695][ T5027] generic_perform_write+0x278/0x600
[ 60.304009][ T5027] ? folio_add_wait_queue+0x1c0/0x1c0
[ 60.309407][ T5027] ? new_inode+0x270/0x270
[ 60.313852][ T5027] ? generic_write_checks_count+0x2d0/0x2d0
[ 60.319779][ T5027] __generic_file_write_iter+0x1f9/0x240
[ 60.325446][ T5027] generic_file_write_iter+0xe3/0x350
[ 60.330855][ T5027] vfs_write+0x650/0xe40
[ 60.335124][ T5027] ? kernel_write+0x6c0/0x6c0
[ 60.339823][ T5027] ? rcu_is_watching+0x12/0xb0
[ 60.344615][ T5027] ksys_write+0x12f/0x250
[ 60.348977][ T5027] ? __ia32_sys_read+0xb0/0xb0
[ 60.353762][ T5027] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.358987][ T5027] ? ptrace_notify+0xf4/0x130
[ 60.363686][ T5027] do_syscall_64+0x38/0xb0
[ 60.368129][ T5027] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 60.374051][ T5027] RIP: 0033:0x7fdc2f14dab9
[ 60.378482][ T5027] 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
[ 60.398116][ T5027] RSP: 002b:00007ffe852212e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 60.406578][ T5027] RAX: ffffffffffffffda RBX: 00007fdc2f19604b RCX: 00007fdc2f14dab9
[ 60.414578][ T5027] RDX: 0000000001517460 RSI: 0000000020000580 RDI: 0000000000000004
[ 60.422571][ T5027] RBP: 7261637369646f6e R08: 00007fdc2f1b81a4 R09: 00007ffe852214c8
[ 60.430560][ T5027] R10: 0000000000000000 R11: 0000000000000246 R12: 6573726168636f69
[ 60.438555][ T5027] R13: 00007ffe852214b8 R14: 0000000000000001 R15: 0000000000000001
[ 60.446553][ T5027]
[ 60.449686][ T5027] Kernel Offset: disabled
[ 60.454049][ T5027] Rebooting in 86400 seconds..