./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1746221629
<...>
Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts.
execve("./syz-executor1746221629", ["./syz-executor1746221629"], 0x7ffeb5473a70 /* 10 vars */) = 0
brk(NULL) = 0x55558cb20000
brk(0x55558cb20d00) = 0x55558cb20d00
arch_prctl(ARCH_SET_FS, 0x55558cb20380) = 0
set_tid_address(0x55558cb20650) = 5836
set_robust_list(0x55558cb20660, 24) = 0
rseq(0x55558cb20ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1746221629", 4096) = 28
getrandom("\x09\x86\x95\x35\x77\x65\x48\x8b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558cb20d00
brk(0x55558cb41d00) = 0x55558cb41d00
brk(0x55558cb42000) = 0x55558cb42000
mprotect(0x7f3c8b515000, 16384, 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
executing program
write(1, "executing program\n", 18) = 18
openat(AT_FDCWD, "/dev/iommu", O_RDONLY|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x81, 0), 0x200000000100) = 0
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0xa0, 0), 0x200000000180) = 0
[ 89.389994][ T5836] ------------[ cut here ]------------
[ 89.396020][ T5836] WARNING: CPU: 0 PID: 5836 at drivers/iommu/iommufd/io_pagetable.c:283 iopt_map_pages+0xce7/0xda0
[ 89.407065][ T5836] Modules linked in:
[ 89.411232][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor174 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full)
[ 89.421993][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.432626][ T5836] RIP: 0010:iopt_map_pages+0xce7/0xda0
[ 89.438103][ T5836] Code: 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4e f6 17 06 cc e8 c8 94 68 fc 90 0f 0b 90 e9 ca f7 ff ff e8 ba 94 68 fc 90 <0f> 0b 90 e9 88 f5 ff ff e8 2c 1b 15 06 44 89 f1 80 e1 07 80 c1 03
[ 89.457786][ T5836] RSP: 0018:ffffc90003e97880 EFLAGS: 00010293
[ 89.464072][ T5836] RAX: ffffffff8557f866 RBX: 00000000ffffffea RCX: ffff888076b55a00
[ 89.472162][ T5836] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
[ 89.480254][ T5836] RBP: ffffc90003e97ab0 R08: ffff888076b55a00 R09: 0000000000000002
[ 89.488233][ T5836] R10: 00000000ffffffff R11: 0000000000000000 R12: ffffc90003e97b70
[ 89.496329][ T5836] R13: dffffc0000000000 R14: ffff88802caae810 R15: ffffc90003e97ce0
[ 89.504355][ T5836] FS: 000055558cb20380(0000) GS:ffff888125a1c000(0000) knlGS:0000000000000000
[ 89.513603][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 89.520374][ T5836] CR2: 0000200000000000 CR3: 00000000746ec000 CR4: 00000000003526f0
[ 89.528354][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 89.536410][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 89.544452][ T5836] Call Trace:
[ 89.547737][ T5836]
[ 89.550751][ T5836] ? __pfx_iopt_map_pages+0x10/0x10
[ 89.555978][ T5836] ? iopt_map_user_pages+0x4e/0xd0
[ 89.561159][ T5836] ? aa_get_newest_label+0xf7/0x5d0
[ 89.566414][ T5836] iopt_map_common+0x2bb/0x4f0
[ 89.571253][ T5836] ? __pfx_iopt_map_common+0x10/0x10
[ 89.576561][ T5836] iopt_map_user_pages+0xbc/0xd0
[ 89.581558][ T5836] iommufd_ioas_map+0x392/0x4c0
[ 89.586470][ T5836] ? __pfx_iommufd_ioas_map+0x10/0x10
[ 89.591912][ T5836] iommufd_fops_ioctl+0x446/0x520
[ 89.596959][ T5836] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 89.602642][ T5836] ? bpf_lsm_file_ioctl+0x9/0x20
[ 89.607685][ T5836] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 89.613356][ T5836] __se_sys_ioctl+0xfc/0x170
[ 89.618026][ T5836] do_syscall_64+0xfa/0x3b0
[ 89.622655][ T5836] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.627912][ T5836] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.634184][ T5836] ? clear_bhb_loop+0x60/0xb0
[ 89.638893][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.644939][ T5836] RIP: 0033:0x7f3c8b4a23e9
[ 89.649428][ T5836] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 89.669177][ T5836] RSP: 002b:00007fffd84dc938 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 89.677832][ T5836] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f3c8b4a23e9
[ 89.685926][ T5836] RDX: 0000200000000080 RSI: 0000000000003b85 RDI: 0000000000000003
[ 89.694010][ T5836] RBP: 00007f3c8b515610 R08: 00007fffd84dcb08 R09: 00007fffd84dcb08
[ 89.702415][ T5836] R10: 00007fffd84dcb08 R11: 0000000000000246 R12: 0000000000000001
[ 89.710484][ T5836] R13: 00007fffd84dcaf8 R14: 0000000000000001 R15: 0000000000000001
[ 89.718494][ T5836]
[ 89.721628][ T5836] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 89.728945][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor174 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full)
[ 89.739798][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.749851][ T5836] Call Trace:
[ 89.753142][ T5836]
[ 89.756069][ T5836] dump_stack_lvl+0x99/0x250
[ 89.760793][ T5836] ? __asan_memcpy+0x40/0x70
[ 89.765505][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10
[ 89.770717][ T5836] ? __pfx__printk+0x10/0x10
[ 89.775346][ T5836] panic+0x2db/0x790
[ 89.779251][ T5836] ? __pfx_panic+0x10/0x10
[ 89.783668][ T5836] ? show_trace_log_lvl+0x4fb/0x550
[ 89.788969][ T5836] __warn+0x31b/0x4b0
[ 89.792962][ T5836] ? iopt_map_pages+0xce7/0xda0
[ 89.797816][ T5836] ? iopt_map_pages+0xce7/0xda0
[ 89.802682][ T5836] report_bug+0x2be/0x4f0
[ 89.807016][ T5836] ? iopt_map_pages+0xce7/0xda0
[ 89.811876][ T5836] ? iopt_map_pages+0xce7/0xda0
[ 89.816747][ T5836] ? iopt_map_pages+0xce9/0xda0
[ 89.821629][ T5836] handle_bug+0x84/0x160
[ 89.825907][ T5836] exc_invalid_op+0x1a/0x50
[ 89.830492][ T5836] asm_exc_invalid_op+0x1a/0x20
[ 89.835344][ T5836] RIP: 0010:iopt_map_pages+0xce7/0xda0
[ 89.840808][ T5836] Code: 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4e f6 17 06 cc e8 c8 94 68 fc 90 0f 0b 90 e9 ca f7 ff ff e8 ba 94 68 fc 90 <0f> 0b 90 e9 88 f5 ff ff e8 2c 1b 15 06 44 89 f1 80 e1 07 80 c1 03
[ 89.860443][ T5836] RSP: 0018:ffffc90003e97880 EFLAGS: 00010293
[ 89.866505][ T5836] RAX: ffffffff8557f866 RBX: 00000000ffffffea RCX: ffff888076b55a00
[ 89.874475][ T5836] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
[ 89.882459][ T5836] RBP: ffffc90003e97ab0 R08: ffff888076b55a00 R09: 0000000000000002
[ 89.890448][ T5836] R10: 00000000ffffffff R11: 0000000000000000 R12: ffffc90003e97b70
[ 89.898427][ T5836] R13: dffffc0000000000 R14: ffff88802caae810 R15: ffffc90003e97ce0
[ 89.906527][ T5836] ? iopt_map_pages+0xce6/0xda0
[ 89.911390][ T5836] ? __pfx_iopt_map_pages+0x10/0x10
[ 89.916582][ T5836] ? iopt_map_user_pages+0x4e/0xd0
[ 89.921693][ T5836] ? aa_get_newest_label+0xf7/0x5d0
[ 89.926874][ T5836] iopt_map_common+0x2bb/0x4f0
[ 89.931632][ T5836] ? __pfx_iopt_map_common+0x10/0x10
[ 89.936911][ T5836] iopt_map_user_pages+0xbc/0xd0
[ 89.941832][ T5836] iommufd_ioas_map+0x392/0x4c0
[ 89.946763][ T5836] ? __pfx_iommufd_ioas_map+0x10/0x10
[ 89.952123][ T5836] iommufd_fops_ioctl+0x446/0x520
[ 89.957135][ T5836] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 89.962672][ T5836] ? bpf_lsm_file_ioctl+0x9/0x20
[ 89.967593][ T5836] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 89.973132][ T5836] __se_sys_ioctl+0xfc/0x170
[ 89.977736][ T5836] do_syscall_64+0xfa/0x3b0
[ 89.982229][ T5836] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.987424][ T5836] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.993481][ T5836] ? clear_bhb_loop+0x60/0xb0
[ 89.998157][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.004044][ T5836] RIP: 0033:0x7f3c8b4a23e9
[ 90.008551][ T5836] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
[ 90.028141][ T5836] RSP: 002b:00007fffd84dc938 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 90.036538][ T5836] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f3c8b4a23e9
[ 90.044509][ T5836] RDX: 0000200000000080 RSI: 0000000000003b85 RDI: 0000000000000003
[ 90.052465][ T5836] RBP: 00007f3c8b515610 R08: 00007fffd84dcb08 R09: 00007fffd84dcb08
[ 90.060584][ T5836] R10: 00007fffd84dcb08 R11: 0000000000000246 R12: 0000000000000001
[ 90.068576][ T5836] R13: 00007fffd84dcaf8 R14: 0000000000000001 R15: 0000000000000001
[ 90.076553][ T5836]
[ 90.079934][ T5836] Kernel Offset: disabled
[ 90.084255][ T5836] Rebooting in 86400 seconds..