ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor2921859308 <...> Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor2921859308", ["ci-upstream-rust-kasan-gce/syz-executor2921859308"], 0x7ffc2a749640 /* 10 vars */) = 0 brk(NULL) = 0x55555b56a000 brk(0x55555b56ad80) = 0x55555b56ad80 arch_prctl(ARCH_SET_FS, 0x55555b56a400) = 0 set_tid_address(0x55555b56a6d0) = 5654 set_robust_list(0x55555b56a6e0, 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-rust-kasan-gce/syz-executor2921859308", 4096) = 55 getrandom("\x6f\xb9\xa1\xf7\xd6\xe7\x27\xc5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555b56ad80 brk(0x55555b58bd80) = 0x55555b58bd80 brk(0x55555b58c000) = 0x55555b58c000 mprotect(0x7f028c0d9000, 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 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b56a6d0) = 5655 ci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5655 attached [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5655] set_robust_list(0x55555b56a6e0, 24) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5655] setpgid(0, 0) = 0 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5655] write(3, "1000", 4) = 4 [pid 5655] close(3) = 0 [pid 5655] write(1, "executing program\n", 18) = 18 executing program [pid 5655] openat(AT_FDCWD, "/dev/mapper/control", O_RDWR) = 3 [pid 5655] ioctl(3, DM_DEV_CREATE, [{version=[4, 0, 0], data_size=312, name="syza2", flags=0}] => [{version=[4, 50, 0], data_size=305, dev=makedev(0xf8, 0), name="syza2", target_count=0, open_count=0, event_nr=0, flags=0}]) = 0 [ 85.772163][ T5655] Oops: divide error: 0000 [#1] SMP KASAN PTI [ 85.778280][ T5655] CPU: 0 UID: 0 PID: 5655 Comm: syz-executor292 Not tainted syzkaller #0 PREEMPT(full) [ 85.788005][ T5655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 85.798062][ T5655] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 85.803281][ T5655] Code: 4c 8b 30 31 ff 4c 89 f6 e8 87 30 f5 f8 4d 85 f6 0f 84 81 00 00 00 4c 89 f3 48 c1 eb 20 45 89 ec 48 85 db 74 0a 4c 89 f0 31 d2 <49> f7 f4 eb 08 44 89 f0 31 d2 41 f7 f4 48 3d 00 40 00 00 76 14 4d [ 85.822921][ T5655] RSP: 0018:ffffc900039df860 EFLAGS: 00010246 [ 85.829025][ T5655] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: ffff888076ef5dc0 [ 85.837029][ T5655] RDX: 0000000000000000 RSI: 003fffffffffffff RDI: 0000000000000000 [ 85.845027][ T5655] RBP: ffffc900039dfa38 R08: ffffc90000bbe007 R09: 0000000000000000 [ 85.853006][ T5655] R10: ffffc90000bbe000 R11: fffff52000177c01 R12: 0000000000000000 [ 85.860987][ T5655] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff1100f2c6c62 [ 85.869009][ T5655] FS: 000055555b56a400(0000) GS:ffff888123159000(0000) knlGS:0000000000000000 [ 85.877956][ T5655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.884560][ T5655] CR2: 00000000004697f0 CR3: 0000000071aea000 CR4: 00000000003526f0 [ 85.892555][ T5655] Call Trace: [ 85.895851][ T5655] [ 85.898817][ T5655] ? __pfx_cache_ctr+0x10/0x10 [ 85.903623][ T5655] ? skip_spaces+0x8a/0xa0 [ 85.908090][ T5655] dm_table_add_target+0x58d/0xc70 [ 85.913239][ T5655] table_load+0x325/0x8a0 [ 85.917599][ T5655] ? __pfx_table_load+0x10/0x10 [ 85.922484][ T5655] ? __might_fault+0xaf/0x130 [ 85.927193][ T5655] dm_ctl_ioctl+0x9ec/0xe10 [ 85.931733][ T5655] ? __pfx_table_load+0x10/0x10 [ 85.936605][ T5655] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 85.941679][ T5655] ? bpf_lsm_file_ioctl+0x9/0x20 [ 85.946641][ T5655] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 85.951693][ T5655] __se_sys_ioctl+0xfc/0x170 [ 85.956310][ T5655] do_syscall_64+0x16a/0x530 [ 85.960919][ T5655] ? trace_irq_disable+0x3b/0x140 [ 85.965974][ T5655] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.972059][ T5655] ? clear_bhb_loop+0x70/0xc0 [ 85.976756][ T5655] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.982670][ T5655] RIP: 0033:0x00007f028c0468c9 [ 85.987466][ T5655] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d8 ff ff ff f7 d8 64 89 01 48 [ 86.007082][ T5655] RSP: 002b:00007ffec1dd9138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.015512][ T5655] RAX: ffffffffffffffda RBX: 6d61722f7665642f RCX: 00007f028c0468c9 [ 86.023505][ T5655] RDX: 0000200000000000 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 86.031491][ T5655] RBP: 0000000000000001 R08: 0000000000000013 R09: 0000000000000006 [ 86.039474][ T5655] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffec1dd92a8 [ 86.047468][ T5655] R13: 431bde82d7b634db R14: 00007f028c0d9c40 R15: 0000000000000002 [ 86.055465][ T5655] [ 86.058499][ T5655] Modules linked in: [ 86.062630][ T5655] ---[ end trace 0000000000000000 ]--- [ 86.068375][ T5655] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 86.068410][ T5655] Code: 4c 8b 30 31 ff 4c 89 f6 e8 87 30 f5 f8 4d 85 f6 0f 84 81 00 00 00 4c 89 f3 48 c1 eb 20 45 89 ec 48 85 db 74 0a 4c 89 f0 31 d2 <49> f7 f4 eb 08 44 89 f0 31 d2 41 f7 f4 48 3d 00 40 00 00 76 14 4d [ 86.068429][ T5655] RSP: 0018:ffffc900039df860 EFLAGS: 00010246 [ 86.068448][ T5655] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: ffff888076ef5dc0 [ 86.068464][ T5655] RDX: 0000000000000000 RSI: 003fffffffffffff RDI: 0000000000000000 [ 86.068477][ T5655] RBP: ffffc900039dfa38 R08: ffffc90000bbe007 R09: 0000000000000000 [ 86.068491][ T5655] R10: ffffc90000bbe000 R11: fffff52000177c01 R12: 0000000000000000 [ 86.068506][ T5655] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff1100f2c6c62 [ 86.068522][ T5655] FS: 000055555b56a400(0000) GS:ffff888123159000(0000) knlGS:0000000000000000 [ 86.068540][ T5655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.068554][ T5655] CR2: 00000000004697f0 CR3: 0000000071aea000 CR4: 00000000003526f0 [ 86.068575][ T5655] Kernel panic - not syncing: Fatal exception [ 86.169576][ T5655] Kernel Offset: disabled [ 86.173925][ T5655] Rebooting in 86400 seconds..