ci-upstream-rust-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-rust-kasan-gce/syz-executor515722644 <...> Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts. execve("ci-upstream-rust-kasan-gce/syz-executor515722644", ["ci-upstream-rust-kasan-gce/syz-executor515722644"], 0x7ffdea265e00 /* 10 vars */) = 0 brk(NULL) = 0x55557cd07000 brk(0x55557cd07d80) = 0x55557cd07d80 arch_prctl(ARCH_SET_FS, 0x55557cd07400) = 0 set_tid_address(0x55557cd076d0) = 5653 set_robust_list(0x55557cd076e0, 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-executor515722644", 4096) = 54 getrandom("\x7a\x59\xdd\x01\xd3\xe0\xa2\x7c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd07d80 brk(0x55557cd28d80) = 0x55557cd28d80 brk(0x55557cd29000) = 0x55557cd29000 mprotect(0x7fdd5302e000, 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|SIGCHLDci-upstream-rust-kasan-gce/strace-static-x86_64: Process 5654 attached , child_tidptr=0x55557cd076d0) = 5654 [pid 5654] set_robust_list(0x55557cd076e0, 24) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... prctl resumed>) = 0 [pid 5654] setpgid(0, 0) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 executing program [pid 5654] write(1, "executing program\n", 18) = 18 [pid 5654] openat(AT_FDCWD, "/dev/mapper/control", O_RDWR) = 3 [pid 5654] 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 [ 90.152320][ T5654] Oops: divide error: 0000 [#1] SMP KASAN PTI [ 90.158499][ T5654] CPU: 1 UID: 0 PID: 5654 Comm: syz-executor515 Not tainted syzkaller #0 PREEMPT(full) [ 90.168276][ T5654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 90.178442][ T5654] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 90.183684][ T5654] 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 [ 90.203326][ T5654] RSP: 0018:ffffc900038bf860 EFLAGS: 00010246 [ 90.209456][ T5654] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: ffff88807f1c3e80 [ 90.217463][ T5654] RDX: 0000000000000000 RSI: 003fffffffffffff RDI: 0000000000000000 [ 90.225459][ T5654] RBP: ffffc900038bfa38 R08: ffffc90000bbe007 R09: 0000000000000000 [ 90.233492][ T5654] R10: ffffc90000bbe000 R11: fffff52000177c01 R12: 0000000000000000 [ 90.241591][ T5654] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff1100fec2462 [ 90.249642][ T5654] FS: 000055557cd07400(0000) GS:ffff888123259000(0000) knlGS:0000000000000000 [ 90.258607][ T5654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.265219][ T5654] CR2: 00000000004697f0 CR3: 0000000078996000 CR4: 00000000003526f0 [ 90.273221][ T5654] Call Trace: [ 90.276534][ T5654] [ 90.279495][ T5654] ? __pfx_cache_ctr+0x10/0x10 [ 90.284308][ T5654] ? skip_spaces+0x8a/0xa0 [ 90.288794][ T5654] dm_table_add_target+0x58d/0xc70 [ 90.293939][ T5654] table_load+0x325/0x8a0 [ 90.298295][ T5654] ? __pfx_table_load+0x10/0x10 [ 90.303168][ T5654] ? __might_fault+0xaf/0x130 [ 90.308134][ T5654] dm_ctl_ioctl+0x9ec/0xe10 [ 90.312680][ T5654] ? __pfx_table_load+0x10/0x10 [ 90.317559][ T5654] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 90.322679][ T5654] ? bpf_lsm_file_ioctl+0x9/0x20 [ 90.327661][ T5654] ? __pfx_dm_ctl_ioctl+0x10/0x10 [ 90.332731][ T5654] __se_sys_ioctl+0xfc/0x170 [ 90.337358][ T5654] do_syscall_64+0x16a/0x530 [ 90.342061][ T5654] ? trace_irq_disable+0x3b/0x140 [ 90.347116][ T5654] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.353212][ T5654] ? clear_bhb_loop+0x70/0xc0 [ 90.357924][ T5654] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.363840][ T5654] RIP: 0033:0x00007fdd52f9b8c9 [ 90.368652][ T5654] 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 [ 90.388289][ T5654] RSP: 002b:00007ffdc56ed528 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.396754][ T5654] RAX: ffffffffffffffda RBX: 6d61722f7665642f RCX: 00007fdd52f9b8c9 [ 90.404759][ T5654] RDX: 0000200000000000 RSI: 00000000c138fd09 RDI: 0000000000000003 [ 90.412764][ T5654] RBP: 0000000000000001 R08: 0000000000000013 R09: 0000000000000006 [ 90.420771][ T5654] R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffdc56ed698 [ 90.428792][ T5654] R13: 431bde82d7b634db R14: 00007fdd5302ec40 R15: 0000000000000002 [ 90.436803][ T5654] [ 90.439840][ T5654] Modules linked in: [ 90.443937][ T5654] ---[ end trace 0000000000000000 ]--- [ 90.449644][ T5654] RIP: 0010:cache_ctr+0x1a86/0x2bf0 [ 90.449677][ T5654] 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 [ 90.449697][ T5654] RSP: 0018:ffffc900038bf860 EFLAGS: 00010246 [ 90.449716][ T5654] RAX: 003fffffffffffff RBX: 00000000003fffff RCX: ffff88807f1c3e80 [ 90.449732][ T5654] RDX: 0000000000000000 RSI: 003fffffffffffff RDI: 0000000000000000 [ 90.449746][ T5654] RBP: ffffc900038bfa38 R08: ffffc90000bbe007 R09: 0000000000000000 [ 90.449760][ T5654] R10: ffffc90000bbe000 R11: fffff52000177c01 R12: 0000000000000000 [ 90.449775][ T5654] R13: 0000000100000000 R14: 003fffffffffffff R15: 1ffff1100fec2462 [ 90.449793][ T5654] FS: 000055557cd07400(0000) GS:ffff888123259000(0000) knlGS:0000000000000000 [ 90.449811][ T5654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.449825][ T5654] CR2: 00000000004697f0 CR3: 0000000078996000 CR4: 00000000003526f0 [ 90.449847][ T5654] Kernel panic - not syncing: Fatal exception [ 90.551146][ T5654] Kernel Offset: disabled [ 90.555486][ T5654] Rebooting in 86400 seconds..