ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-linux-next-kasan-gce-root/syz-executor329230489 <...> Warning: Permanently added '10.128.0.73' (ED25519) to the list of known hosts. execve("ci-upstream-linux-next-kasan-gce-root/syz-executor329230489", ["ci-upstream-linux-next-kasan-gce-root/syz-executor329230489"], 0x7fffb6aac390 /* 10 vars */) = 0 brk(NULL) = 0x555557795000 brk(0x555557795d80) = 0x555557795d80 arch_prctl(ARCH_SET_FS, 0x555557795400) = 0 set_tid_address(0x5555577956d0) = 5621 set_robust_list(0x5555577956e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-linux-next-kasan-gce-root/syz-executor329230489", 4096) = 65 getrandom("\xdb\x87\x40\x19\xbd\xa7\x98\x39", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557795d80 brk(0x5555577b6d80) = 0x5555577b6d80 brk(0x5555577b7000) = 0x5555577b7000 mprotect(0x7f2eb036f000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555577956d0) = 5622 ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5622 attached [pid 5622] set_robust_list(0x5555577956e0, 24) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5622] setpgid(0, 0) = 0 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5622] write(3, "1000", 4) = 4 [pid 5622] close(3) = 0 [pid 5622] write(1, "executing program\n", 18) = 18 executing program [pid 5622] memfd_create("syzkaller", 0) = 3 [pid 5622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2ea7e00000 [pid 5622] 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"..., 20699119) = 20699119 [pid 5622] munmap(0x7f2ea7e00000, 138412032) = 0 [pid 5622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5622] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5622] close(3) = 0 [pid 5622] close(4) = 0 [pid 5622] mkdir("./file2", 0777) = 0 [ 80.034314][ T5622] loop0: detected capacity change from 0 to 40427 [ 80.058898][ T5622] ------------[ cut here ]------------ [ 80.058913][ T5622] UBSAN: shift-out-of-bounds in fs/f2fs/super.c:3950:27 [ 80.058944][ T5622] shift exponent 4294967287 is too large for 64-bit type 'sector_t' (aka 'unsigned long long') [ 80.059231][ T5622] CPU: 1 UID: 0 PID: 5622 Comm: syz-executor329 Not tainted syzkaller #0 PREEMPT(full) [ 80.059257][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 80.059269][ T5622] Call Trace: [ 80.059277][ T5622] [ 80.059286][ T5622] dump_stack_lvl+0xe8/0x150 [ 80.059334][ T5622] ubsan_epilogue+0xa/0x30 [ 80.059356][ T5622] __ubsan_handle_shift_out_of_bounds+0x36d/0x400 [ 80.059400][ T5622] ? folio_unlock+0x101/0x160 [ 80.059424][ T5622] __f2fs_commit_super+0x43e/0x4d0 [ 80.059458][ T5622] sanity_check_area_boundary+0x7c5/0xe20 [ 80.059502][ T5622] f2fs_fill_super+0x1920/0x7fa0 [ 80.059556][ T5622] ? set_blocksize+0x1c9/0x440 [ 80.059599][ T5622] get_tree_bdev_flags+0x430/0x4f0 [ 80.059623][ T5622] ? __pfx_f2fs_fill_super+0x10/0x10 [ 80.059646][ T5622] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 80.059680][ T5622] vfs_get_tree+0x92/0x2a0 [ 80.059705][ T5622] do_new_mount+0x319/0xdc0 [ 80.059741][ T5622] ? __pfx_do_new_mount+0x10/0x10 [ 80.059772][ T5622] ? ns_capable+0x84/0xe0 [ 80.059800][ T5622] ? path_mount+0x647/0x1050 [ 80.059832][ T5622] ? user_path_at+0xd4/0x160 [ 80.059856][ T5622] __se_sys_mount+0x31d/0x420 [ 80.059882][ T5622] ? __pfx___se_sys_mount+0x10/0x10 [ 80.059909][ T5622] ? __x64_sys_mount+0x20/0xc0 [ 80.059940][ T5622] do_syscall_64+0x166/0x520 [ 80.059976][ T5622] ? trace_irq_disable+0x3b/0x140 [ 80.060000][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.060020][ T5622] ? clear_bhb_loop+0x70/0xc0 [ 80.060043][ T5622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.060061][ T5622] RIP: 0033:0x7f2eb02deeaa [ 80.060081][ T5622] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 e4 5b 09 00 00 00 00 00 eb 96 e8 51 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 80.060096][ T5622] RSP: 002b:00007ffcaf01ba78 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 80.060119][ T5622] RAX: ffffffffffffffda RBX: 00007ffcaf01ba90 RCX: 00007f2eb02deeaa [ 80.060133][ T5622] RDX: 0000200000000080 RSI: 0000200000000000 RDI: 00007ffcaf01ba90 [ 80.060146][ T5622] RBP: 0000200000000000 R08: 00007ffcaf01bad0 R09: 0000000000000000 [ 80.060158][ T5622] R10: 0000000000200000 R11: 0000000000000286 R12: 0000200000000080 [ 80.060170][ T5622] R13: 00007ffcaf01bad0 R14: 0000000000000003 R15: 0000000000200000 [ 80.060202][ T5622] [ 80.060210][ T5622] ---[ end trace ]--- [ 80.060220][ T5622] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 80.320084][ T5622] CPU: 1 UID: 0 PID: 5622 Comm: syz-executor329 Not tainted syzkaller #0 PREEMPT(full) [ 80.329802][ T5622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 80.339862][ T5622] Call Trace: [ 80.343143][ T5622] [ 80.346080][ T5622] vpanic+0x26f/0x710 [ 80.350076][ T5622] panic+0xc5/0xd0 [ 80.353805][ T5622] ? __pfx_panic+0x10/0x10 [ 80.358229][ T5622] ? __pfx__printk+0x10/0x10 [ 80.362824][ T5622] ? dump_stack_lvl+0x103/0x150 [ 80.367685][ T5622] check_panic_on_warn+0x89/0xb0 [ 80.372649][ T5622] __ubsan_handle_shift_out_of_bounds+0x36d/0x400 [ 80.379077][ T5622] ? folio_unlock+0x101/0x160 [ 80.383764][ T5622] __f2fs_commit_super+0x43e/0x4d0 [ 80.388886][ T5622] sanity_check_area_boundary+0x7c5/0xe20 [ 80.394628][ T5622] f2fs_fill_super+0x1920/0x7fa0 [ 80.399592][ T5622] ? set_blocksize+0x1c9/0x440 [ 80.404374][ T5622] get_tree_bdev_flags+0x430/0x4f0 [ 80.409490][ T5622] ? __pfx_f2fs_fill_super+0x10/0x10 [ 80.414780][ T5622] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 80.420426][ T5622] vfs_get_tree+0x92/0x2a0 [ 80.424867][ T5622] do_new_mount+0x319/0xdc0 [ 80.429394][ T5622] ? __pfx_do_new_mount+0x10/0x10 [ 80.434436][ T5622] ? ns_capable+0x84/0xe0 [ 80.438860][ T5622] ? path_mount+0x647/0x1050 [ 80.443464][ T5622] ? user_path_at+0xd4/0x160 [ 80.448059][ T5622] __se_sys_mount+0x31d/0x420 [ 80.452741][ T5622] ? __pfx___se_sys_mount+0x10/0x10 [ 80.457948][ T5622] ? __x64_sys_mount+0x20/0xc0 [ 80.462715][ T5622] do_syscall_64+0x166/0x520 [ 80.467314][ T5622] ? trace_irq_disable+0x3b/0x140 [ 80.472343][ T5622] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.478413][ T5622] ? clear_bhb_loop+0x70/0xc0 [ 80.483097][ T5622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.488992][ T5622] RIP: 0033:0x7f2eb02deeaa [ 80.493410][ T5622] Code: 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 e4 5b 09 00 00 00 00 00 eb 96 e8 51 05 00 00 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 80.513020][ T5622] RSP: 002b:00007ffcaf01ba78 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 80.521437][ T5622] RAX: ffffffffffffffda RBX: 00007ffcaf01ba90 RCX: 00007f2eb02deeaa [ 80.529412][ T5622] RDX: 0000200000000080 RSI: 0000200000000000 RDI: 00007ffcaf01ba90 [ 80.537384][ T5622] RBP: 0000200000000000 R08: 00007ffcaf01bad0 R09: 0000000000000000 [ 80.545354][ T5622] R10: 0000000000200000 R11: 0000000000000286 R12: 0000200000000080 [ 80.553334][ T5622] R13: 00007ffcaf01bad0 R14: 0000000000000003 R15: 0000000000200000 [ 80.561358][ T5622] [ 80.564534][ T5622] Kernel Offset: disabled [ 80.568857][ T5622] Rebooting in 86400 seconds..