./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor656438691
<...>
Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts.
execve("./syz-executor656438691", ["./syz-executor656438691"], 0x7fffa4b812e0 /* 10 vars */) = 0
brk(NULL) = 0x55558f865000
brk(0x55558f865d00) = 0x55558f865d00
arch_prctl(ARCH_SET_FS, 0x55558f865380) = 0
set_tid_address(0x55558f865650) = 5227
set_robust_list(0x55558f865660, 24) = 0
rseq(0x55558f865ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor656438691", 4096) = 27
getrandom("\x30\x47\xd9\xf7\xac\xd5\x55\xfa", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558f865d00
brk(0x55558f886d00) = 0x55558f886d00
brk(0x55558f887000) = 0x55558f887000
mprotect(0x7f74e730d000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5228 attached
, child_tidptr=0x55558f865650) = 5228
[pid 5228] set_robust_list(0x55558f865660, 24) = 0
[pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5228] setpgid(0, 0) = 0
[pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5228] write(3, "1000", 4) = 4
[pid 5228] close(3) = 0
executing program
[pid 5228] write(1, "executing program\n", 18) = 18
[pid 5228] memfd_create("syzkaller", 0) = 3
[pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f74dee00000
[pid 5228] 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
[pid 5228] munmap(0x7f74dee00000, 138412032) = 0
[pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5228] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5228] close(3) = 0
[pid 5228] close(4) = 0
[pid 5228] mkdir("./file0", 0777) = 0
[pid 5228] mount("/dev/loop0", "./file0", "jfs", MS_SILENT|MS_I_VERSION, "usrquota,errors=continue,nodiscard,usrquota,errors=remount-ro,discard,resize=0x0") = 0
[pid 5228] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5228] chdir("./file0") = 0
[pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5228] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4
[ 80.097984][ T5228] loop0: detected capacity change from 0 to 32768
[ 80.297401][ T5228] ------------[ cut here ]------------
[ 80.303291][ T5228] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2902:18
[ 80.310932][ T5228] index -3 is out of range for type 's8[1365]' (aka 'signed char[1365]')
[ 80.319466][ T5228] CPU: 0 UID: 0 PID: 5228 Comm: syz-executor656 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0
[ 80.330618][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 80.340698][ T5228] Call Trace:
[ 80.343995][ T5228]
[ 80.346942][ T5228] dump_stack_lvl+0x241/0x360
[ 80.351707][ T5228] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.356925][ T5228] ? __pfx__printk+0x10/0x10
[ 80.361550][ T5228] ? filemap_get_entry+0x328/0x3b0
[ 80.366700][ T5228] __ubsan_handle_out_of_bounds+0x121/0x150
[ 80.372644][ T5228] dbAdjTree+0x377/0x520
[ 80.376919][ T5228] dbAllocBits+0x4ea/0x990
[ 80.381366][ T5228] dbAllocDmap+0x6d/0x150
[ 80.385754][ T5228] dbAlloc+0x509/0xca0
[ 80.389855][ T5228] ? __pfx_dbAlloc+0x10/0x10
[ 80.394577][ T5228] extAlloc+0x4f8/0x1010
[ 80.398890][ T5228] ? __pfx_extAlloc+0x10/0x10
[ 80.403597][ T5228] ? down_write_nested+0x195/0x220
[ 80.408732][ T5228] ? __pfx_down_write_nested+0x10/0x10
[ 80.414224][ T5228] jfs_get_block+0x41b/0xe60
[ 80.418868][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.424026][ T5228] ? folio_batch_add_and_move+0x165/0x2b0
[ 80.429815][ T5228] __block_write_begin_int+0x50c/0x1a70
[ 80.435418][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.440560][ T5228] ? __pfx___block_write_begin_int+0x10/0x10
[ 80.446577][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.451715][ T5228] block_write_begin+0x9b/0x1e0
[ 80.456598][ T5228] jfs_write_begin+0x31/0x70
[ 80.461216][ T5228] generic_perform_write+0x399/0x840
[ 80.466545][ T5228] ? __pfx_generic_perform_write+0x10/0x10
[ 80.472391][ T5228] ? __generic_file_write_iter+0x105/0x230
[ 80.478227][ T5228] generic_file_write_iter+0xaf/0x310
[ 80.483631][ T5228] vfs_write+0xa72/0xc90
[ 80.487897][ T5228] ? __pfx_generic_file_write_iter+0x10/0x10
[ 80.493901][ T5228] ? __pfx_vfs_write+0x10/0x10
[ 80.498697][ T5228] ? lockdep_hardirqs_on+0x99/0x150
[ 80.503934][ T5228] ksys_write+0x1a0/0x2c0
[ 80.508300][ T5228] ? __pfx_ksys_write+0x10/0x10
[ 80.513199][ T5228] ? exc_page_fault+0x590/0x8c0
[ 80.518093][ T5228] do_syscall_64+0xf3/0x230
[ 80.522623][ T5228] ? clear_bhb_loop+0x35/0x90
[ 80.527328][ T5228] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.533252][ T5228] RIP: 0033:0x7f74e7292e59
[ 80.537698][ T5228] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 80.557325][ T5228] RSP: 002b:00007ffcb67c8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 80.565761][ T5228] RAX: ffffffffffffffda RBX: 00007f74e72dc095 RCX: 00007f74e7292e59
[ 80.573752][ T5228] RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004
[ 80.581740][ T5228] RBP: 00007f74e730d5f0 R08: 000055558f8664c0 R09: 000055558f8664c0
[ 80.589731][ T5228] R10: 0000000000006289 R11: 0000000000000246 R12: 00007ffcb67c8ad0
[ 80.597722][ T5228] R13: 00007ffcb67c8cf8 R14: 431bde82d7b634db R15: 00007f74e72dc03b
[ 80.605731][ T5228]
[ 80.608936][ T5228] ---[ end trace ]---
[ 80.613007][ T5228] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 80.620235][ T5228] CPU: 0 UID: 0 PID: 5228 Comm: syz-executor656 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0
[ 80.631366][ T5228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 80.641442][ T5228] Call Trace:
[ 80.644739][ T5228]
[ 80.647688][ T5228] dump_stack_lvl+0x241/0x360
[ 80.652390][ T5228] ? __pfx_dump_stack_lvl+0x10/0x10
[ 80.657607][ T5228] ? __pfx__printk+0x10/0x10
[ 80.662220][ T5228] ? vprintk_emit+0x631/0x770
[ 80.666925][ T5228] ? vscnprintf+0x5d/0x90
[ 80.671275][ T5228] panic+0x349/0x860
[ 80.675290][ T5228] ? check_panic_on_warn+0x21/0xb0
[ 80.680422][ T5228] ? __pfx_panic+0x10/0x10
[ 80.684863][ T5228] ? _printk+0xd5/0x120
[ 80.689047][ T5228] ? __pfx__printk+0x10/0x10
[ 80.693663][ T5228] ? filemap_get_entry+0x328/0x3b0
[ 80.698814][ T5228] check_panic_on_warn+0x86/0xb0
[ 80.703863][ T5228] __ubsan_handle_out_of_bounds+0x141/0x150
[ 80.709793][ T5228] dbAdjTree+0x377/0x520
[ 80.714064][ T5228] dbAllocBits+0x4ea/0x990
[ 80.718512][ T5228] dbAllocDmap+0x6d/0x150
[ 80.722871][ T5228] dbAlloc+0x509/0xca0
[ 80.726967][ T5228] ? __pfx_dbAlloc+0x10/0x10
[ 80.731588][ T5228] extAlloc+0x4f8/0x1010
[ 80.735870][ T5228] ? __pfx_extAlloc+0x10/0x10
[ 80.740565][ T5228] ? down_write_nested+0x195/0x220
[ 80.745693][ T5228] ? __pfx_down_write_nested+0x10/0x10
[ 80.751176][ T5228] jfs_get_block+0x41b/0xe60
[ 80.755889][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.761027][ T5228] ? folio_batch_add_and_move+0x165/0x2b0
[ 80.766789][ T5228] __block_write_begin_int+0x50c/0x1a70
[ 80.772371][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.777505][ T5228] ? __pfx___block_write_begin_int+0x10/0x10
[ 80.783514][ T5228] ? __pfx_jfs_get_block+0x10/0x10
[ 80.788646][ T5228] block_write_begin+0x9b/0x1e0
[ 80.793520][ T5228] jfs_write_begin+0x31/0x70
[ 80.798160][ T5228] generic_perform_write+0x399/0x840
[ 80.803470][ T5228] ? __pfx_generic_perform_write+0x10/0x10
[ 80.809299][ T5228] ? __generic_file_write_iter+0x105/0x230
[ 80.815124][ T5228] generic_file_write_iter+0xaf/0x310
[ 80.820526][ T5228] vfs_write+0xa72/0xc90
[ 80.824786][ T5228] ? __pfx_generic_file_write_iter+0x10/0x10
[ 80.830779][ T5228] ? __pfx_vfs_write+0x10/0x10
[ 80.835596][ T5228] ? lockdep_hardirqs_on+0x99/0x150
[ 80.840826][ T5228] ksys_write+0x1a0/0x2c0
[ 80.845175][ T5228] ? __pfx_ksys_write+0x10/0x10
[ 80.850042][ T5228] ? exc_page_fault+0x590/0x8c0
[ 80.854923][ T5228] do_syscall_64+0xf3/0x230
[ 80.859445][ T5228] ? clear_bhb_loop+0x35/0x90
[ 80.864232][ T5228] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.870169][ T5228] RIP: 0033:0x7f74e7292e59
[ 80.874600][ T5228] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 80.894229][ T5228] RSP: 002b:00007ffcb67c8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 80.902669][ T5228] RAX: ffffffffffffffda RBX: 00007f74e72dc095 RCX: 00007f74e7292e59
[ 80.910660][ T5228] RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000004
[ 80.918663][ T5228] RBP: 00007f74e730d5f0 R08: 000055558f8664c0 R09: 000055558f8664c0
[ 80.926737][ T5228] R10: 0000000000006289 R11: 0000000000000246 R12: 00007ffcb67c8ad0
[ 80.934721][ T5228] R13: 00007ffcb67c8cf8 R14: 431bde82d7b634db R15: 00007f74e72dc03b
[ 80.942719][ T5228]
[ 80.946024][ T5228] Kernel Offset: disabled
[ 80.950405][ T5228] Rebooting in 86400 seconds..