./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1040305058
<...>
Warning: Permanently added '10.128.1.206' (ED25519) to the list of known hosts.
execve("./syz-executor1040305058", ["./syz-executor1040305058"], 0x7fff405c18a0 /* 10 vars */) = 0
brk(NULL) = 0x55555a324000
brk(0x55555a324e00) = 0x55555a324e00
arch_prctl(ARCH_SET_FS, 0x55555a324480) = 0
set_tid_address(0x55555a324750) = 5853
set_robust_list(0x55555a324760, 24) = 0
rseq(0x55555a324da0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1040305058", 4096) = 28
getrandom("\xdc\x5e\x04\x18\x2d\x39\x44\x22", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555a324e00
brk(0x55555a345e00) = 0x55555a345e00
brk(0x55555a346000) = 0x55555a346000
mprotect(0x7f543bd33000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f543bc90c50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f543bc97e10}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f543bc90c50, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f543bc97e10}, NULL, 8) = 0
write(1, "executing program\n", 18executing program
) = 18
getsockopt(-1, SOL_SCTP, SCTP_SOCKOPT_CONNECTX3, 0x200000000100, NULL) = -1 EBADF (Bad file descriptor)
openat(AT_FDCWD, "/dev/comedi4", O_WRONLY|O_SYNC|O_CLOEXEC) = 3
mprotect(0x200000000000, 8388608, PROT_READ|PROT_EXEC) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x200000000000} ---
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x200000000008} ---
[ 78.520545][ T5853] ------------[ cut here ]------------
[ 78.526446][ T5853] WARNING: mm/page_alloc.c:5121 at __alloc_frozen_pages_noprof+0x2c8/0x370, CPU#1: syz-executor104/5853
[ 78.537728][ T5853] Modules linked in:
[ 78.541742][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz-executor104 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 78.554043][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 78.564612][ T5853] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.571221][ T5853] Code: 74 10 4c 89 e7 89 54 24 0c e8 14 1d 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 4e f8 b5 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
[ 78.590921][ T5853] RSP: 0018:ffffc90003fd7920 EFLAGS: 00010246
[ 78.597048][ T5853] RAX: ffffc90003fd7900 RBX: 0000000000000017 RCX: 0000000000000000
[ 78.605070][ T5853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003fd7988
[ 78.613068][ T5853] RBP: ffffc90003fd7a08 R08: ffffc90003fd7987 R09: 0000000000000000
[ 78.621138][ T5853] R10: ffffc90003fd7960 R11: fffff520007faf31 R12: 0000000000000000
[ 78.629165][ T5853] R13: 1ffff920007faf28 R14: 0000000000040dc0 R15: dffffc0000000000
[ 78.637188][ T5853] FS: 000055555a324480(0000) GS:ffff8881258af000(0000) knlGS:0000000000000000
[ 78.646183][ T5853] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.652765][ T5853] CR2: 0000200000000008 CR3: 0000000072532000 CR4: 00000000003526f0
[ 78.660795][ T5853] Call Trace:
[ 78.664117][ T5853]
[ 78.667044][ T5853] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 78.673377][ T5853] ? policy_nodemask+0x27c/0x720
[ 78.678401][ T5853] alloc_pages_mpol+0x232/0x4a0
[ 78.683287][ T5853] ___kmalloc_large_node+0x5f/0x1b0
[ 78.688576][ T5853] __kmalloc_large_node_noprof+0x18/0x90
[ 78.694268][ T5853] __kmalloc_noprof+0x36f/0x4f0
[ 78.699149][ T5853] ? comedi_unlocked_ioctl+0x9ee/0xf40
[ 78.704695][ T5853] comedi_unlocked_ioctl+0x9ee/0xf40
[ 78.710006][ T5853] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 78.715862][ T5853] ? tomoyo_path_number_perm+0x1bc/0x5a0
[ 78.721515][ T5853] ? do_vfs_ioctl+0xbe8/0x1430
[ 78.726327][ T5853] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 78.731373][ T5853] ? _raw_spin_lock_irq+0xae/0xf0
[ 78.736766][ T5853] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 78.743202][ T5853] ? bpf_lsm_file_ioctl+0x9/0x20
[ 78.748197][ T5853] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 78.754078][ T5853] __se_sys_ioctl+0xf9/0x170
[ 78.758685][ T5853] do_syscall_64+0xfa/0x3b0
[ 78.763191][ T5853] ? lockdep_hardirqs_on+0x9c/0x150
[ 78.768532][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 78.774650][ T5853] ? clear_bhb_loop+0x60/0xb0
[ 78.779327][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 78.785257][ T5853] RIP: 0033:0x7f543bcc0ca9
[ 78.789706][ T5853] 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
[ 78.809414][ T5853] RSP: 002b:00007ffe111261c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 78.817902][ T5853] RAX: ffffffffffffffda RBX: 00346964656d6f63 RCX: 00007f543bcc0ca9
[ 78.825943][ T5853] RDX: 0000200000000000 RSI: 000000008010640b RDI: 0000000000000003
[ 78.834056][ T5853] RBP: 00007ffe111261d8 R08: 00007ffe111261d8 R09: 00007f543bc90c50
[ 78.842060][ T5853] R10: 00007ffe111261d0 R11: 0000000000000246 R12: 0000000000000000
[ 78.850119][ T5853] R13: 00007ffe11126438 R14: 0000000000000001 R15: 0000000000000001
[ 78.858159][ T5853]
[ 78.861179][ T5853] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 78.868450][ T5853] CPU: 1 UID: 0 PID: 5853 Comm: syz-executor104 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full)
[ 78.880331][ T5853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 78.890382][ T5853] Call Trace:
[ 78.893830][ T5853]
[ 78.896755][ T5853] dump_stack_lvl+0x99/0x250
[ 78.901343][ T5853] ? __asan_memcpy+0x40/0x70
[ 78.905930][ T5853] ? __pfx_dump_stack_lvl+0x10/0x10
[ 78.911128][ T5853] ? __pfx__printk+0x10/0x10
[ 78.915724][ T5853] panic+0x2db/0x790
[ 78.919619][ T5853] ? __pfx_panic+0x10/0x10
[ 78.924042][ T5853] __warn+0x334/0x4c0
[ 78.928025][ T5853] ? __alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.934000][ T5853] ? __alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.939983][ T5853] report_bug+0x2be/0x4f0
[ 78.944303][ T5853] ? __alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.950287][ T5853] ? __alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.956357][ T5853] ? __alloc_frozen_pages_noprof+0x2ca/0x370
[ 78.962338][ T5853] handle_bug+0x84/0x160
[ 78.966585][ T5853] exc_invalid_op+0x1a/0x50
[ 78.971108][ T5853] asm_exc_invalid_op+0x1a/0x20
[ 78.975975][ T5853] RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370
[ 78.982577][ T5853] Code: 74 10 4c 89 e7 89 54 24 0c e8 14 1d 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 4e f8 b5 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
[ 79.002196][ T5853] RSP: 0018:ffffc90003fd7920 EFLAGS: 00010246
[ 79.008281][ T5853] RAX: ffffc90003fd7900 RBX: 0000000000000017 RCX: 0000000000000000
[ 79.016259][ T5853] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003fd7988
[ 79.024239][ T5853] RBP: ffffc90003fd7a08 R08: ffffc90003fd7987 R09: 0000000000000000
[ 79.032303][ T5853] R10: ffffc90003fd7960 R11: fffff520007faf31 R12: 0000000000000000
[ 79.040285][ T5853] R13: 1ffff920007faf28 R14: 0000000000040dc0 R15: dffffc0000000000
[ 79.048546][ T5853] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 79.054889][ T5853] ? policy_nodemask+0x27c/0x720
[ 79.059844][ T5853] alloc_pages_mpol+0x232/0x4a0
[ 79.064712][ T5853] ___kmalloc_large_node+0x5f/0x1b0
[ 79.070193][ T5853] __kmalloc_large_node_noprof+0x18/0x90
[ 79.075850][ T5853] __kmalloc_noprof+0x36f/0x4f0
[ 79.080717][ T5853] ? comedi_unlocked_ioctl+0x9ee/0xf40
[ 79.086194][ T5853] comedi_unlocked_ioctl+0x9ee/0xf40
[ 79.091505][ T5853] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 79.097331][ T5853] ? tomoyo_path_number_perm+0x1bc/0x5a0
[ 79.103021][ T5853] ? do_vfs_ioctl+0xbe8/0x1430
[ 79.107813][ T5853] ? __pfx_do_vfs_ioctl+0x10/0x10
[ 79.112856][ T5853] ? _raw_spin_lock_irq+0xae/0xf0
[ 79.117929][ T5853] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 79.124376][ T5853] ? bpf_lsm_file_ioctl+0x9/0x20
[ 79.129332][ T5853] ? __pfx_comedi_unlocked_ioctl+0x10/0x10
[ 79.135152][ T5853] __se_sys_ioctl+0xf9/0x170
[ 79.139767][ T5853] do_syscall_64+0xfa/0x3b0
[ 79.144290][ T5853] ? lockdep_hardirqs_on+0x9c/0x150
[ 79.149501][ T5853] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.155578][ T5853] ? clear_bhb_loop+0x60/0xb0
[ 79.160274][ T5853] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.166177][ T5853] RIP: 0033:0x7f543bcc0ca9
[ 79.170600][ T5853] 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
[ 79.190230][ T5853] RSP: 002b:00007ffe111261c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 79.198671][ T5853] RAX: ffffffffffffffda RBX: 00346964656d6f63 RCX: 00007f543bcc0ca9
[ 79.206661][ T5853] RDX: 0000200000000000 RSI: 000000008010640b RDI: 0000000000000003
[ 79.214645][ T5853] RBP: 00007ffe111261d8 R08: 00007ffe111261d8 R09: 00007f543bc90c50
[ 79.222630][ T5853] R10: 00007ffe111261d0 R11: 0000000000000246 R12: 0000000000000000
[ 79.230612][ T5853] R13: 00007ffe11126438 R14: 0000000000000001 R15: 0000000000000001
[ 79.238607][ T5853]
[ 79.241915][ T5853] Kernel Offset: disabled
[ 79.246241][ T5853] Rebooting in 86400 seconds..