./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1522191350
<...>
Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts.
execve("./syz-executor1522191350", ["./syz-executor1522191350"], 0x7ffdcb158cb0 /* 10 vars */) = 0
brk(NULL) = 0x555556e2a000
brk(0x555556e2ac40) = 0x555556e2ac40
arch_prctl(ARCH_SET_FS, 0x555556e2a300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1522191350", 4096) = 28
brk(0x555556e4bc40) = 0x555556e4bc40
brk(0x555556e4c000) = 0x555556e4c000
mprotect(0x7f8c078f5000, 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) = 0x7f8bff436000
syzkaller login: [ 62.330491][ T4996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4996 'syz-executor152'
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(0x7f8bff436000, 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", MS_LAZYTIME, "") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4
open("./file2", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 5
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 6
open("./file2", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 7
ftruncate(7, 33587195) = 0
[ 62.498448][ T4996] loop0: detected capacity change from 0 to 32768
[ 62.528780][ T4996] find_entry called with index = 0
[ 62.534551][ T4996] find_entry called with index = 0
openat(AT_FDCWD, "blkio.bfq.sectors", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 8
[ 62.547418][ T4996] find_entry called with index >= next_index
[ 62.553552][ T4996] find_entry called with index >= next_index
[ 62.559928][ T4996] find_entry called with index >= next_index
[ 62.566253][ T4996] find_entry called with index >= next_index
[ 62.572491][ T4996] find_entry called with index >= next_index
[ 62.789302][ T4996] ================================================================================
[ 62.798757][ T4996] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 62.805991][ T4996] shift exponent -1 is negative
[ 62.810844][ T4996] CPU: 0 PID: 4996 Comm: syz-executor152 Not tainted 6.4.0-rc5-syzkaller-00245-g64569520920a #0
[ 62.821248][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 62.831291][ T4996] Call Trace:
[ 62.834565][ T4996]
[ 62.837510][ T4996] dump_stack_lvl+0x1e7/0x2d0
[ 62.842206][ T4996] ? nf_tcp_handle_invalid+0x650/0x650
[ 62.847657][ T4996] ? panic+0x770/0x770
[ 62.851741][ T4996] ? extAlloc+0x10a/0x1010
[ 62.856177][ T4996] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[ 62.862611][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0
[ 62.867828][ T4996] extAlloc+0xe53/0x1010
[ 62.872100][ T4996] ? jfs_ioc_trim+0x660/0x660
[ 62.876778][ T4996] ? clear_nonspinnable+0x60/0x60
[ 62.881812][ T4996] jfs_get_block+0x41b/0xe60
[ 62.886497][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 62.891443][ T4996] ? _raw_spin_unlock+0x28/0x40
[ 62.896296][ T4996] ? folio_create_buffers+0x132/0x250
[ 62.901678][ T4996] __block_write_begin_int+0x548/0x1a50
[ 62.907271][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 62.912228][ T4996] ? PageUptodate+0x290/0x290
[ 62.916916][ T4996] ? folio_test_hugetlb+0xa0/0x1d0
[ 62.922058][ T4996] ? pagecache_get_page+0xeb/0x220
[ 62.927189][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 62.932140][ T4996] block_write_begin+0x9c/0x1f0
[ 62.937007][ T4996] ? jfs_write_begin+0x1a/0x70
[ 62.941784][ T4996] jfs_write_begin+0x31/0x70
[ 62.946392][ T4996] generic_perform_write+0x300/0x5e0
[ 62.951787][ T4996] ? generic_file_direct_write+0x460/0x460
[ 62.957599][ T4996] ? __file_remove_privs+0x640/0x640
[ 62.962897][ T4996] ? generic_write_checks+0x160/0x1c0
[ 62.968277][ T4996] __generic_file_write_iter+0x17a/0x400
[ 62.973921][ T4996] generic_file_write_iter+0xaf/0x310
[ 62.979300][ T4996] vfs_write+0x790/0xb20
[ 62.983566][ T4996] ? file_end_write+0x250/0x250
[ 62.988440][ T4996] ? lockdep_hardirqs_on+0x98/0x140
[ 62.993650][ T4996] ? __fdget_pos+0x265/0x2f0
[ 62.998245][ T4996] ksys_write+0x1a0/0x2c0
[ 63.002606][ T4996] ? __ia32_sys_read+0x90/0x90
[ 63.007378][ T4996] ? syscall_enter_from_user_mode+0x32/0x230
[ 63.013370][ T4996] ? syscall_enter_from_user_mode+0x8c/0x230
[ 63.019361][ T4996] do_syscall_64+0x41/0xc0
[ 63.023785][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.029684][ T4996] RIP: 0033:0x7f8c078828b9
[ 63.034102][ T4996] 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
[ 63.053711][ T4996] RSP: 002b:00007ffd5e5e25e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.062129][ T4996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c078828b9
[ 63.070099][ T4996] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000008
[ 63.078071][ T4996] RBP: 00007f8c07842150 R08: 0000000000000000 R09: 0000000000000000
[ 63.086041][ T4996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c078421e0
[ 63.094014][ T4996] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 63.101999][ T4996]
[ 63.105265][ T4996] ================================================================================
[ 63.114674][ T4996] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 63.121896][ T4996] CPU: 0 PID: 4996 Comm: syz-executor152 Not tainted 6.4.0-rc5-syzkaller-00245-g64569520920a #0
[ 63.132303][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
[ 63.142355][ T4996] Call Trace:
[ 63.145645][ T4996]
[ 63.148580][ T4996] dump_stack_lvl+0x1e7/0x2d0
[ 63.153261][ T4996] ? nf_tcp_handle_invalid+0x650/0x650
[ 63.158719][ T4996] ? panic+0x770/0x770
[ 63.162797][ T4996] ? vscnprintf+0x5d/0x80
[ 63.167131][ T4996] panic+0x30f/0x770
[ 63.171025][ T4996] ? check_panic_on_warn+0x21/0xa0
[ 63.176142][ T4996] ? __memcpy_flushcache+0x2b0/0x2b0
[ 63.181424][ T4996] ? dump_stack_lvl+0x253/0x2d0
[ 63.186276][ T4996] check_panic_on_warn+0x82/0xa0
[ 63.191212][ T4996] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[ 63.197640][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0
[ 63.202849][ T4996] extAlloc+0xe53/0x1010
[ 63.207104][ T4996] ? jfs_ioc_trim+0x660/0x660
[ 63.211787][ T4996] ? clear_nonspinnable+0x60/0x60
[ 63.216837][ T4996] jfs_get_block+0x41b/0xe60
[ 63.221443][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 63.226390][ T4996] ? _raw_spin_unlock+0x28/0x40
[ 63.231242][ T4996] ? folio_create_buffers+0x132/0x250
[ 63.236618][ T4996] __block_write_begin_int+0x548/0x1a50
[ 63.242188][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 63.247125][ T4996] ? PageUptodate+0x290/0x290
[ 63.251805][ T4996] ? folio_test_hugetlb+0xa0/0x1d0
[ 63.256925][ T4996] ? pagecache_get_page+0xeb/0x220
[ 63.262041][ T4996] ? jfs_dirty_inode+0x240/0x240
[ 63.266983][ T4996] block_write_begin+0x9c/0x1f0
[ 63.271831][ T4996] ? jfs_write_begin+0x1a/0x70
[ 63.276594][ T4996] jfs_write_begin+0x31/0x70
[ 63.281182][ T4996] generic_perform_write+0x300/0x5e0
[ 63.286476][ T4996] ? generic_file_direct_write+0x460/0x460
[ 63.292282][ T4996] ? __file_remove_privs+0x640/0x640
[ 63.297570][ T4996] ? generic_write_checks+0x160/0x1c0
[ 63.302946][ T4996] __generic_file_write_iter+0x17a/0x400
[ 63.308596][ T4996] generic_file_write_iter+0xaf/0x310
[ 63.313975][ T4996] vfs_write+0x790/0xb20
[ 63.318228][ T4996] ? file_end_write+0x250/0x250
[ 63.323084][ T4996] ? lockdep_hardirqs_on+0x98/0x140
[ 63.328279][ T4996] ? __fdget_pos+0x265/0x2f0
[ 63.332866][ T4996] ksys_write+0x1a0/0x2c0
[ 63.337199][ T4996] ? __ia32_sys_read+0x90/0x90
[ 63.341965][ T4996] ? syscall_enter_from_user_mode+0x32/0x230
[ 63.347939][ T4996] ? syscall_enter_from_user_mode+0x8c/0x230
[ 63.353925][ T4996] do_syscall_64+0x41/0xc0
[ 63.358340][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.364232][ T4996] RIP: 0033:0x7f8c078828b9
[ 63.368637][ T4996] 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
[ 63.388233][ T4996] RSP: 002b:00007ffd5e5e25e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.396645][ T4996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c078828b9
[ 63.404608][ T4996] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000008
[ 63.412574][ T4996] RBP: 00007f8c07842150 R08: 0000000000000000 R09: 0000000000000000
[ 63.420539][ T4996] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8c078421e0
[ 63.428500][ T4996] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 63.436472][ T4996]
[ 63.439752][ T4996] Kernel Offset: disabled
[ 63.444165][ T4996] Rebooting in 86400 seconds..