./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor388136986
<...>
Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts.
execve("./syz-executor388136986", ["./syz-executor388136986"], 0x7ffe52fedd80 /* 10 vars */) = 0
brk(NULL) = 0x55556d780000
brk(0x55556d780d00) = 0x55556d780d00
arch_prctl(ARCH_SET_FS, 0x55556d780380) = 0
set_tid_address(0x55556d780650) = 5842
set_robust_list(0x55556d780660, 24) = 0
rseq(0x55556d780ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor388136986", 4096) = 27
getrandom("\xb0\x4d\x49\x79\x07\xd7\xb4\x7e", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556d780d00
brk(0x55556d7a1d00) = 0x55556d7a1d00
brk(0x55556d7a2000) = 0x55556d7a2000
mprotect(0x7f47929c0000, 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
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached
, child_tidptr=0x55556d780650) = 5843
[pid 5843] set_robust_list(0x55556d780660, 24) = 0
[pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5843] setpgid(0, 0) = 0
[pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5843] write(3, "1000", 4) = 4
[pid 5843] close(3) = 0
[pid 5843] write(1, "executing program\n", 18executing program
) = 18
[pid 5843] openat(AT_FDCWD, "/dev/iommu", O_RDONLY|O_SYNC|O_LARGEFILE|O_NOATIME|O_CLOEXEC) = 3
[pid 5843] ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x81, 0), 0x200000000100) = 0
[pid 5843] ioctl(3, _IOC(_IOC_NONE, 0x3b, 0xa0, 0), 0x200000000180) = 0
[ 71.964425][ T5843] ------------[ cut here ]------------
[ 71.969964][ T5843] WARNING: CPU: 0 PID: 5843 at drivers/iommu/iommufd/io_pagetable.c:283 iopt_map_pages+0xce7/0xda0
[ 71.980734][ T5843] Modules linked in:
[ 71.984754][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: syz-executor388 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full)
[ 71.995468][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 72.005918][ T5843] RIP: 0010:iopt_map_pages+0xce7/0xda0
[ 72.011383][ T5843] 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
[ 72.031036][ T5843] RSP: 0018:ffffc900040b7880 EFLAGS: 00010293
[ 72.037136][ T5843] RAX: ffffffff8557f866 RBX: 00000000ffffffea RCX: ffff888031b15a00
[ 72.045150][ T5843] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
[ 72.053159][ T5843] RBP: ffffc900040b7ab0 R08: ffff888031b15a00 R09: 0000000000000002
[ 72.061122][ T5843] R10: 00000000ffffffff R11: 0000000000000000 R12: ffffc900040b7b70
[ 72.069141][ T5843] R13: dffffc0000000000 R14: ffff88807897f010 R15: ffffc900040b7ce0
[ 72.077252][ T5843] FS: 000055556d780380(0000) GS:ffff888125a1c000(0000) knlGS:0000000000000000
[ 72.086247][ T5843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 72.092861][ T5843] CR2: 00000000005fdeb8 CR3: 000000007635a000 CR4: 00000000003526f0
[ 72.100834][ T5843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 72.108836][ T5843] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 72.116840][ T5843] Call Trace:
[ 72.120112][ T5843]
[ 72.123117][ T5843] ? __pfx_iopt_map_pages+0x10/0x10
[ 72.128328][ T5843] ? iopt_map_user_pages+0x4e/0xd0
[ 72.133500][ T5843] ? aa_get_newest_label+0xf7/0x5d0
[ 72.138722][ T5843] iopt_map_common+0x2bb/0x4f0
[ 72.143567][ T5843] ? __pfx_iopt_map_common+0x10/0x10
[ 72.148872][ T5843] iopt_map_user_pages+0xbc/0xd0
[ 72.153854][ T5843] iommufd_ioas_map+0x392/0x4c0
[ 72.158728][ T5843] ? __pfx_iommufd_ioas_map+0x10/0x10
[ 72.164156][ T5843] iommufd_fops_ioctl+0x446/0x520
[ 72.169199][ T5843] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 72.174810][ T5843] ? bpf_lsm_file_ioctl+0x9/0x20
[ 72.179758][ T5843] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 72.185366][ T5843] __se_sys_ioctl+0xfc/0x170
[ 72.189979][ T5843] do_syscall_64+0xfa/0x3b0
[ 72.194540][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 72.199746][ T5843] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.205858][ T5843] ? clear_bhb_loop+0x60/0xb0
[ 72.210547][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.216461][ T5843] RIP: 0033:0x7f479294db39
[ 72.220890][ T5843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 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
[ 72.240669][ T5843] RSP: 002b:00007fff0e822ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.249128][ T5843] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f479294db39
[ 72.257164][ T5843] RDX: 0000200000000080 RSI: 0000000000003b85 RDI: 0000000000000003
[ 72.265170][ T5843] RBP: 00007f47929c05f0 R08: 0000000000000006 R09: 0000000000000006
[ 72.273188][ T5843] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001
[ 72.281161][ T5843] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 72.289190][ T5843]
[ 72.292216][ T5843] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 72.299500][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: syz-executor388 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full)
[ 72.310157][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 72.320202][ T5843] Call Trace:
[ 72.323472][ T5843]
[ 72.326386][ T5843] dump_stack_lvl+0x99/0x250
[ 72.330958][ T5843] ? __asan_memcpy+0x40/0x70
[ 72.335530][ T5843] ? __pfx_dump_stack_lvl+0x10/0x10
[ 72.340710][ T5843] ? __pfx__printk+0x10/0x10
[ 72.345288][ T5843] panic+0x2db/0x790
[ 72.349161][ T5843] ? __pfx_panic+0x10/0x10
[ 72.353552][ T5843] ? show_trace_log_lvl+0x4fb/0x550
[ 72.358740][ T5843] __warn+0x31b/0x4b0
[ 72.362703][ T5843] ? iopt_map_pages+0xce7/0xda0
[ 72.367537][ T5843] ? iopt_map_pages+0xce7/0xda0
[ 72.372369][ T5843] report_bug+0x2be/0x4f0
[ 72.376680][ T5843] ? iopt_map_pages+0xce7/0xda0
[ 72.381512][ T5843] ? iopt_map_pages+0xce7/0xda0
[ 72.386340][ T5843] ? iopt_map_pages+0xce9/0xda0
[ 72.391167][ T5843] handle_bug+0x84/0x160
[ 72.395395][ T5843] exc_invalid_op+0x1a/0x50
[ 72.399892][ T5843] asm_exc_invalid_op+0x1a/0x20
[ 72.404730][ T5843] RIP: 0010:iopt_map_pages+0xce7/0xda0
[ 72.410178][ T5843] 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
[ 72.429770][ T5843] RSP: 0018:ffffc900040b7880 EFLAGS: 00010293
[ 72.435824][ T5843] RAX: ffffffff8557f866 RBX: 00000000ffffffea RCX: ffff888031b15a00
[ 72.443782][ T5843] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
[ 72.451743][ T5843] RBP: ffffc900040b7ab0 R08: ffff888031b15a00 R09: 0000000000000002
[ 72.459698][ T5843] R10: 00000000ffffffff R11: 0000000000000000 R12: ffffc900040b7b70
[ 72.467655][ T5843] R13: dffffc0000000000 R14: ffff88807897f010 R15: ffffc900040b7ce0
[ 72.475619][ T5843] ? iopt_map_pages+0xce6/0xda0
[ 72.480476][ T5843] ? __pfx_iopt_map_pages+0x10/0x10
[ 72.485660][ T5843] ? iopt_map_user_pages+0x4e/0xd0
[ 72.490781][ T5843] ? aa_get_newest_label+0xf7/0x5d0
[ 72.495975][ T5843] iopt_map_common+0x2bb/0x4f0
[ 72.500731][ T5843] ? __pfx_iopt_map_common+0x10/0x10
[ 72.506020][ T5843] iopt_map_user_pages+0xbc/0xd0
[ 72.510948][ T5843] iommufd_ioas_map+0x392/0x4c0
[ 72.515798][ T5843] ? __pfx_iommufd_ioas_map+0x10/0x10
[ 72.521167][ T5843] iommufd_fops_ioctl+0x446/0x520
[ 72.526183][ T5843] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 72.531731][ T5843] ? bpf_lsm_file_ioctl+0x9/0x20
[ 72.536655][ T5843] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 72.542192][ T5843] __se_sys_ioctl+0xfc/0x170
[ 72.546773][ T5843] do_syscall_64+0xfa/0x3b0
[ 72.551259][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 72.556448][ T5843] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.562503][ T5843] ? clear_bhb_loop+0x60/0xb0
[ 72.567168][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 72.573047][ T5843] RIP: 0033:0x7f479294db39
[ 72.577467][ T5843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 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
[ 72.597077][ T5843] RSP: 002b:00007fff0e822ae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 72.605491][ T5843] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f479294db39
[ 72.613455][ T5843] RDX: 0000200000000080 RSI: 0000000000003b85 RDI: 0000000000000003
[ 72.621418][ T5843] RBP: 00007f47929c05f0 R08: 0000000000000006 R09: 0000000000000006
[ 72.629379][ T5843] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001
[ 72.637348][ T5843] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 72.645330][ T5843]
[ 72.648573][ T5843] Kernel Offset: disabled
[ 72.652889][ T5843] Rebooting in 86400 seconds..