./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor294388602
<...>
DUID 00:04:66:e4:01:83:27:57:c7:2c:b4:77:89:67:fd:32:a2:9b
no interfaces have a carrier
[ 31.389479][ T4762] 8021q: adding VLAN 0 to HW filter on device bond0
[ 31.399683][ T4762] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts.
execve("./syz-executor294388602", ["./syz-executor294388602"], 0x7fff66a1c090 /* 10 vars */) = 0
brk(NULL) = 0x55557d760000
brk(0x55557d760d00) = 0x55557d760d00
arch_prctl(ARCH_SET_FS, 0x55557d760380) = 0
set_tid_address(0x55557d760650) = 5092
set_robust_list(0x55557d760660, 24) = 0
rseq(0x55557d760ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor294388602", 4096) = 27
getrandom("\x54\x96\x98\xf9\x3a\xaf\x0d\xbc", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557d760d00
brk(0x55557d781d00) = 0x55557d781d00
brk(0x55557d782000) = 0x55557d782000
mprotect(0x7f319fe26000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
write(1, "executing program\n", 18executing program
) = 18
openat(AT_FDCWD, "/dev/iommu", O_RDONLY) = 3
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x81, 0), 0x20000000) = 0
ioctl(3, _IOC(_IOC_NONE, 0x3b, 0x88, 0), 0x20000180) = 0
ioctl(3, VFIO_DEVICE_PCI_HOT_RESET or VFIO_IOMMU_MAP_DMA, 0x200000c0) = 0
syzkaller login: [ 57.422445][ T5092] ------------[ cut here ]------------
[ 57.428151][ T5092] WARNING: CPU: 1 PID: 5092 at drivers/iommu/iommufd/io_pagetable.c:268 iopt_map_pages+0xf95/0x1050
[ 57.438982][ T5092] Modules linked in:
[ 57.442894][ T5092] CPU: 1 PID: 5092 Comm: syz-executor294 Not tainted 6.10.0-rc5-syzkaller-00294-g3ffea9a7a6f7 #0
[ 57.453461][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 57.463589][ T5092] RIP: 0010:iopt_map_pages+0xf95/0x1050
[ 57.469194][ T5092] Code: fc e9 a4 f3 ff ff e8 1a 8b 4c fc 41 be e4 ff ff ff e9 8a f3 ff ff e8 0a 8b 4c fc 90 0f 0b 90 e9 37 f5 ff ff e8 fc 8a 4c fc 90 <0f> 0b 90 e9 68 f3 ff ff 48 c7 c1 ec 82 ad 8f 80 e1 07 80 c1 03 38
[ 57.488856][ T5092] RSP: 0018:ffffc90003ebf9e0 EFLAGS: 00010293
[ 57.495125][ T5092] RAX: ffffffff85499fa4 RBX: 00000000ffffffef RCX: ffff888079b49e00
[ 57.503124][ T5092] RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000
[ 57.511212][ T5092] RBP: ffffc90003ebfc50 R08: ffffffff85499b30 R09: ffffffff85499942
[ 57.519228][ T5092] R10: 0000000000000002 R11: ffff888079b49e00 R12: ffff8880228e0010
[ 57.527234][ T5092] R13: 0000000000000000 R14: 1ffff920007d7f68 R15: ffffc90003ebfd00
[ 57.535245][ T5092] FS: 000055557d760380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
[ 57.544175][ T5092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.550778][ T5092] CR2: 00000000005fdeb8 CR3: 000000007404a000 CR4: 00000000003506f0
[ 57.558795][ T5092] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.566840][ T5092] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.574848][ T5092] Call Trace:
[ 57.578137][ T5092]
[ 57.581074][ T5092] ? __warn+0x163/0x4e0
[ 57.585279][ T5092] ? iopt_map_pages+0xf95/0x1050
[ 57.590227][ T5092] ? report_bug+0x2b3/0x500
[ 57.594768][ T5092] ? iopt_map_pages+0xf95/0x1050
[ 57.599716][ T5092] ? handle_bug+0x3e/0x70
[ 57.604026][ T5092] ? exc_invalid_op+0x1a/0x50
[ 57.608735][ T5092] ? asm_exc_invalid_op+0x1a/0x20
[ 57.613775][ T5092] ? iopt_map_pages+0x932/0x1050
[ 57.618762][ T5092] ? iopt_map_pages+0xb20/0x1050
[ 57.623708][ T5092] ? iopt_map_pages+0xf94/0x1050
[ 57.628693][ T5092] ? iopt_map_pages+0xf95/0x1050
[ 57.633649][ T5092] ? __pfx_iopt_map_pages+0x10/0x10
[ 57.638913][ T5092] ? _raw_spin_unlock+0x28/0x50
[ 57.643769][ T5092] ? iommufd_get_object+0x47e/0x670
[ 57.649014][ T5092] ? iommufd_test_syz_conv_iova_id+0x19f/0x230
[ 57.655302][ T5092] iommufd_ioas_copy+0x610/0x7b0
[ 57.660237][ T5092] ? __pfx_iommufd_ioas_copy+0x10/0x10
[ 57.665729][ T5092] ? __might_fault+0xc6/0x120
[ 57.670420][ T5092] iommufd_fops_ioctl+0x4d9/0x5a0
[ 57.675480][ T5092] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 57.681040][ T5092] ? bpf_lsm_file_ioctl+0x9/0x10
[ 57.686023][ T5092] ? security_file_ioctl+0x87/0xb0
[ 57.691169][ T5092] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 57.696781][ T5092] __se_sys_ioctl+0xfc/0x170
[ 57.701391][ T5092] do_syscall_64+0xf3/0x230
[ 57.705949][ T5092] ? clear_bhb_loop+0x35/0x90
[ 57.710642][ T5092] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 57.716585][ T5092] RIP: 0033:0x7f319fdb3429
[ 57.721018][ T5092] 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
[ 57.740812][ T5092] RSP: 002b:00007ffd7a738738 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 57.749381][ T5092] RAX: ffffffffffffffda RBX: 00007ffd7a738908 RCX: 00007f319fdb3429
[ 57.757391][ T5092] RDX: 0000000020000140 RSI: 0000000000003b83 RDI: 0000000000000003
[ 57.765405][ T5092] RBP: 00007f319fe26610 R08: 00007ffd7a738908 R09: 00007ffd7a738908
[ 57.773376][ T5092] R10: 00007ffd7a738908 R11: 0000000000000246 R12: 0000000000000001
[ 57.781380][ T5092] R13: 00007ffd7a7388f8 R14: 0000000000000001 R15: 0000000000000001
[ 57.789403][ T5092]
[ 57.792428][ T5092] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 57.799685][ T5092] CPU: 1 PID: 5092 Comm: syz-executor294 Not tainted 6.10.0-rc5-syzkaller-00294-g3ffea9a7a6f7 #0
[ 57.810156][ T5092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 57.820189][ T5092] Call Trace:
[ 57.823448][ T5092]
[ 57.826357][ T5092] dump_stack_lvl+0x241/0x360
[ 57.831024][ T5092] ? __pfx_dump_stack_lvl+0x10/0x10
[ 57.836204][ T5092] ? __pfx__printk+0x10/0x10
[ 57.840777][ T5092] ? vscnprintf+0x5d/0x90
[ 57.845085][ T5092] panic+0x349/0x860
[ 57.848959][ T5092] ? __warn+0x172/0x4e0
[ 57.853095][ T5092] ? __pfx_panic+0x10/0x10
[ 57.857499][ T5092] __warn+0x346/0x4e0
[ 57.861460][ T5092] ? iopt_map_pages+0xf95/0x1050
[ 57.866379][ T5092] report_bug+0x2b3/0x500
[ 57.870689][ T5092] ? iopt_map_pages+0xf95/0x1050
[ 57.875607][ T5092] handle_bug+0x3e/0x70
[ 57.879739][ T5092] exc_invalid_op+0x1a/0x50
[ 57.884217][ T5092] asm_exc_invalid_op+0x1a/0x20
[ 57.889047][ T5092] RIP: 0010:iopt_map_pages+0xf95/0x1050
[ 57.894572][ T5092] Code: fc e9 a4 f3 ff ff e8 1a 8b 4c fc 41 be e4 ff ff ff e9 8a f3 ff ff e8 0a 8b 4c fc 90 0f 0b 90 e9 37 f5 ff ff e8 fc 8a 4c fc 90 <0f> 0b 90 e9 68 f3 ff ff 48 c7 c1 ec 82 ad 8f 80 e1 07 80 c1 03 38
[ 57.914158][ T5092] RSP: 0018:ffffc90003ebf9e0 EFLAGS: 00010293
[ 57.920206][ T5092] RAX: ffffffff85499fa4 RBX: 00000000ffffffef RCX: ffff888079b49e00
[ 57.928154][ T5092] RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000
[ 57.936100][ T5092] RBP: ffffc90003ebfc50 R08: ffffffff85499b30 R09: ffffffff85499942
[ 57.944048][ T5092] R10: 0000000000000002 R11: ffff888079b49e00 R12: ffff8880228e0010
[ 57.952000][ T5092] R13: 0000000000000000 R14: 1ffff920007d7f68 R15: ffffc90003ebfd00
[ 57.959957][ T5092] ? iopt_map_pages+0x932/0x1050
[ 57.964875][ T5092] ? iopt_map_pages+0xb20/0x1050
[ 57.969791][ T5092] ? iopt_map_pages+0xf94/0x1050
[ 57.974722][ T5092] ? __pfx_iopt_map_pages+0x10/0x10
[ 57.979913][ T5092] ? _raw_spin_unlock+0x28/0x50
[ 57.984740][ T5092] ? iommufd_get_object+0x47e/0x670
[ 57.989944][ T5092] ? iommufd_test_syz_conv_iova_id+0x19f/0x230
[ 57.996076][ T5092] iommufd_ioas_copy+0x610/0x7b0
[ 58.000998][ T5092] ? __pfx_iommufd_ioas_copy+0x10/0x10
[ 58.006439][ T5092] ? __might_fault+0xc6/0x120
[ 58.011100][ T5092] iommufd_fops_ioctl+0x4d9/0x5a0
[ 58.016102][ T5092] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 58.021633][ T5092] ? bpf_lsm_file_ioctl+0x9/0x10
[ 58.026547][ T5092] ? security_file_ioctl+0x87/0xb0
[ 58.031637][ T5092] ? __pfx_iommufd_fops_ioctl+0x10/0x10
[ 58.037157][ T5092] __se_sys_ioctl+0xfc/0x170
[ 58.041729][ T5092] do_syscall_64+0xf3/0x230
[ 58.046211][ T5092] ? clear_bhb_loop+0x35/0x90
[ 58.050865][ T5092] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 58.056737][ T5092] RIP: 0033:0x7f319fdb3429
[ 58.061132][ T5092] 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
[ 58.080711][ T5092] RSP: 002b:00007ffd7a738738 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 58.089103][ T5092] RAX: ffffffffffffffda RBX: 00007ffd7a738908 RCX: 00007f319fdb3429
[ 58.097051][ T5092] RDX: 0000000020000140 RSI: 0000000000003b83 RDI: 0000000000000003
[ 58.105000][ T5092] RBP: 00007f319fe26610 R08: 00007ffd7a738908 R09: 00007ffd7a738908
[ 58.112947][ T5092] R10: 00007ffd7a738908 R11: 0000000000000246 R12: 0000000000000001
[ 58.120893][ T5092] R13: 00007ffd7a7388f8 R14: 0000000000000001 R15: 0000000000000001
[ 58.128868][ T5092]
[ 58.132028][ T5092] Kernel Offset: disabled
[ 58.136371][ T5092] Rebooting in 86400 seconds..