./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2817444486 <...> Warning: Permanently added '10.128.0.64' (ED25519) to the list of known hosts. execve("./syz-executor2817444486", ["./syz-executor2817444486"], 0x7ffe69a97960 /* 10 vars */) = 0 brk(NULL) = 0x5555884f4000 brk(0x5555884f4d00) = 0x5555884f4d00 arch_prctl(ARCH_SET_FS, 0x5555884f4380) = 0 set_tid_address(0x5555884f4650) = 5227 set_robust_list(0x5555884f4660, 24) = 0 rseq(0x5555884f4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2817444486", 4096) = 28 getrandom("\x01\xf0\xc6\x35\x83\x64\x49\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555884f4d00 brk(0x555588515d00) = 0x555588515d00 brk(0x555588516000) = 0x555588516000 mprotect(0x7f7cf87bc000, 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 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=32, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00"], 32, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 32 recvfrom(4, [{nlmsg_len=996, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5227}, "\x01\x02\x00\x00\x0c\x00\x02\x00\x65\x74\x68\x74\x6f\x6f\x6c\x00\x06\x00\x01\x00\x16\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x00\x00\x00\x00\x88\x03\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x02\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00\x08\x00\x01\x00"...], 4096, 0, NULL, NULL) = 996 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5227}, {error=0, msg={nlmsg_len=32, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(4) = 0 socket(AF_LLC, SOCK_STREAM, 0) = 4 [ 60.759720][ T5227] ------------[ cut here ]------------ [ 60.765569][ T5227] refcount_t: decrement hit 0; leaking memory. [ 60.771919][ T5227] WARNING: CPU: 0 PID: 5227 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 [ 60.781655][ T5227] Modules linked in: [ 60.785624][ T5227] CPU: 0 UID: 0 PID: 5227 Comm: syz-executor281 Not tainted 6.11.0-rc6-syzkaller-01235-ga9b1fab3b69f #0 [ 60.796853][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 60.806950][ T5227] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 60.813050][ T5227] Code: b2 00 00 00 e8 e7 09 e1 fc 5b 5d c3 cc cc cc cc e8 db 09 e1 fc c6 05 56 d4 4f 0b 01 90 48 c7 c7 c0 3b 60 8c e8 f7 2d a3 fc 90 <0f> 0b 90 90 eb d9 e8 bb 09 e1 fc c6 05 33 d4 4f 0b 01 90 48 c7 c7 [ 60.832719][ T5227] RSP: 0018:ffffc900033ff048 EFLAGS: 00010246 [ 60.838832][ T5227] RAX: 033d767773c83300 RBX: ffff88802f8d0664 RCX: ffff8880506e0000 [ 60.846873][ T5227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 60.855132][ T5227] RBP: 0000000000000004 R08: ffffffff8155b372 R09: 1ffff1101710519a [ 60.863091][ T5227] R10: dffffc0000000000 R11: ffffed101710519b R12: ffff88802f8d0620 [ 60.871117][ T5227] R13: 0000000000000000 R14: ffff88802f8d0664 R15: dffffc0000000000 [ 60.879135][ T5227] FS: 00005555884f4380(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 60.888120][ T5227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.894741][ T5227] CR2: 000055c9aad930a8 CR3: 0000000052acc000 CR4: 00000000003506f0 [ 60.902706][ T5227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.910712][ T5227] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.918722][ T5227] Call Trace: [ 60.921992][ T5227] [ 60.924948][ T5227] ? __warn+0x163/0x4e0 [ 60.929123][ T5227] ? refcount_warn_saturate+0xfa/0x1d0 [ 60.934626][ T5227] ? report_bug+0x2b3/0x500 [ 60.939142][ T5227] ? refcount_warn_saturate+0xfa/0x1d0 [ 60.944659][ T5227] ? handle_bug+0x3e/0x70 [ 60.949081][ T5227] ? exc_invalid_op+0x1a/0x50 [ 60.953977][ T5227] ? asm_exc_invalid_op+0x1a/0x20 [ 60.959045][ T5227] ? __warn_printk+0x292/0x360 [ 60.963851][ T5227] ? refcount_warn_saturate+0xfa/0x1d0 [ 60.969315][ T5227] ? refcount_warn_saturate+0xf9/0x1d0 [ 60.974810][ T5227] ref_tracker_free+0x6af/0x7e0 [ 60.979666][ T5227] ? __pfx_ref_tracker_free+0x10/0x10 [ 60.985094][ T5227] ethnl_phy_done+0x6f/0x100 [ 60.989732][ T5227] genl_done+0x136/0x210 [ 60.994810][ T5227] ? __pfx_genl_done+0x10/0x10 [ 60.999838][ T5227] netlink_dump+0x9b2/0xd80 [ 61.004730][ T5227] ? __pfx_netlink_dump+0x10/0x10 [ 61.010415][ T5227] ? genl_start+0x597/0x6d0 [ 61.016012][ T5227] __netlink_dump_start+0x5a2/0x790 [ 61.021490][ T5227] genl_rcv_msg+0x88c/0xec0 [ 61.027019][ T5227] ? mark_lock+0x9a/0x350 [ 61.031375][ T5227] ? __pfx_genl_rcv_msg+0x10/0x10 [ 61.036459][ T5227] ? __pfx_genl_start+0x10/0x10 [ 61.041323][ T5227] ? __pfx_genl_dumpit+0x10/0x10 [ 61.046303][ T5227] ? __pfx_genl_done+0x10/0x10 [ 61.051087][ T5227] ? __pfx_lock_acquire+0x10/0x10 [ 61.056178][ T5227] ? __pfx_ethnl_phy_start+0x10/0x10 [ 61.061476][ T5227] ? __pfx_ethnl_phy_dumpit+0x10/0x10 [ 61.066895][ T5227] ? __pfx_ethnl_phy_done+0x10/0x10 [ 61.072103][ T5227] ? __pfx___might_resched+0x10/0x10 [ 61.077615][ T5227] netlink_rcv_skb+0x1e3/0x430 [ 61.082392][ T5227] ? __pfx_genl_rcv_msg+0x10/0x10 [ 61.087474][ T5227] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 61.092782][ T5227] genl_rcv+0x28/0x40 [ 61.096799][ T5227] netlink_unicast+0x7f6/0x990 [ 61.101580][ T5227] ? __pfx_netlink_unicast+0x10/0x10 [ 61.106901][ T5227] ? __virt_addr_valid+0x183/0x530 [ 61.112017][ T5227] ? __check_object_size+0x49c/0x900 [ 61.117415][ T5227] ? bpf_lsm_netlink_send+0x9/0x10 [ 61.122690][ T5227] netlink_sendmsg+0x8e4/0xcb0 [ 61.129240][ T5227] ? __pfx_netlink_sendmsg+0x10/0x10 [ 61.136296][ T5227] ? __import_iovec+0x536/0x820 [ 61.142787][ T5227] ? aa_sock_msg_perm+0x91/0x160 [ 61.148229][ T5227] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.153567][ T5227] ? security_socket_sendmsg+0x87/0xb0 [ 61.159082][ T5227] ? __pfx_netlink_sendmsg+0x10/0x10 [ 61.164402][ T5227] __sock_sendmsg+0x221/0x270 [ 61.169096][ T5227] ____sys_sendmsg+0x525/0x7d0 [ 61.173908][ T5227] ? __pfx_____sys_sendmsg+0x10/0x10 [ 61.179206][ T5227] ? do_raw_spin_lock+0x14f/0x370 [ 61.184287][ T5227] __sys_sendmsg+0x2b0/0x3a0 [ 61.188893][ T5227] ? __pfx___sys_sendmsg+0x10/0x10 [ 61.194053][ T5227] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.200399][ T5227] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.205636][ T5227] ? ptrace_notify+0x279/0x380 [ 61.210414][ T5227] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.216870][ T5227] ? do_syscall_64+0x100/0x230 [ 61.221643][ T5227] do_syscall_64+0xf3/0x230 [ 61.226189][ T5227] ? clear_bhb_loop+0x35/0x90 [ 61.230878][ T5227] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.236812][ T5227] RIP: 0033:0x7f7cf874a219 [ 61.241245][ T5227] Code: 48 83 c4 28 c3 e8 e7 18 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 [ 61.260930][ T5227] RSP: 002b:00007ffff97db218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.269417][ T5227] RAX: ffffffffffffffda RBX: 00007ffff97db3e8 RCX: 00007f7cf874a219 [ 61.277484][ T5227] RDX: 0000000000000000 RSI: 0000000020001900 RDI: 0000000000000003 [ 61.285502][ T5227] RBP: 00007f7cf87bc610 R08: 00007ffff97db3e8 R09: 00007ffff97db3e8 [ 61.294001][ T5227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.302076][ T5227] R13: 00007ffff97db3d8 R14: 0000000000000001 R15: 0000000000000001 [ 61.310110][ T5227] [ 61.313140][ T5227] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.320400][ T5227] CPU: 0 UID: 0 PID: 5227 Comm: syz-executor281 Not tainted 6.11.0-rc6-syzkaller-01235-ga9b1fab3b69f #0 [ 61.331480][ T5227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 61.341604][ T5227] Call Trace: [ 61.344867][ T5227] [ 61.347786][ T5227] dump_stack_lvl+0x241/0x360 [ 61.352469][ T5227] ? __pfx_dump_stack_lvl+0x10/0x10 [ 61.357665][ T5227] ? __pfx__printk+0x10/0x10 [ 61.362249][ T5227] ? vscnprintf+0x5d/0x90 [ 61.366591][ T5227] panic+0x349/0x860 [ 61.370489][ T5227] ? __warn+0x172/0x4e0 [ 61.374631][ T5227] ? __pfx_panic+0x10/0x10 [ 61.379040][ T5227] __warn+0x346/0x4e0 [ 61.383001][ T5227] ? refcount_warn_saturate+0xfa/0x1d0 [ 61.388531][ T5227] report_bug+0x2b3/0x500 [ 61.392841][ T5227] ? refcount_warn_saturate+0xfa/0x1d0 [ 61.398283][ T5227] handle_bug+0x3e/0x70 [ 61.402429][ T5227] exc_invalid_op+0x1a/0x50 [ 61.406919][ T5227] asm_exc_invalid_op+0x1a/0x20 [ 61.411768][ T5227] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 61.417826][ T5227] Code: b2 00 00 00 e8 e7 09 e1 fc 5b 5d c3 cc cc cc cc e8 db 09 e1 fc c6 05 56 d4 4f 0b 01 90 48 c7 c7 c0 3b 60 8c e8 f7 2d a3 fc 90 <0f> 0b 90 90 eb d9 e8 bb 09 e1 fc c6 05 33 d4 4f 0b 01 90 48 c7 c7 [ 61.437420][ T5227] RSP: 0018:ffffc900033ff048 EFLAGS: 00010246 [ 61.443479][ T5227] RAX: 033d767773c83300 RBX: ffff88802f8d0664 RCX: ffff8880506e0000 [ 61.451439][ T5227] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.459395][ T5227] RBP: 0000000000000004 R08: ffffffff8155b372 R09: 1ffff1101710519a [ 61.467354][ T5227] R10: dffffc0000000000 R11: ffffed101710519b R12: ffff88802f8d0620 [ 61.475325][ T5227] R13: 0000000000000000 R14: ffff88802f8d0664 R15: dffffc0000000000 [ 61.483303][ T5227] ? __warn_printk+0x292/0x360 [ 61.488079][ T5227] ? refcount_warn_saturate+0xf9/0x1d0 [ 61.493542][ T5227] ref_tracker_free+0x6af/0x7e0 [ 61.498478][ T5227] ? __pfx_ref_tracker_free+0x10/0x10 [ 61.503856][ T5227] ethnl_phy_done+0x6f/0x100 [ 61.508446][ T5227] genl_done+0x136/0x210 [ 61.512679][ T5227] ? __pfx_genl_done+0x10/0x10 [ 61.517436][ T5227] netlink_dump+0x9b2/0xd80 [ 61.521939][ T5227] ? __pfx_netlink_dump+0x10/0x10 [ 61.526962][ T5227] ? genl_start+0x597/0x6d0 [ 61.531464][ T5227] __netlink_dump_start+0x5a2/0x790 [ 61.536660][ T5227] genl_rcv_msg+0x88c/0xec0 [ 61.541155][ T5227] ? mark_lock+0x9a/0x350 [ 61.545483][ T5227] ? __pfx_genl_rcv_msg+0x10/0x10 [ 61.550505][ T5227] ? __pfx_genl_start+0x10/0x10 [ 61.555347][ T5227] ? __pfx_genl_dumpit+0x10/0x10 [ 61.560278][ T5227] ? __pfx_genl_done+0x10/0x10 [ 61.565043][ T5227] ? __pfx_lock_acquire+0x10/0x10 [ 61.570057][ T5227] ? __pfx_ethnl_phy_start+0x10/0x10 [ 61.575330][ T5227] ? __pfx_ethnl_phy_dumpit+0x10/0x10 [ 61.580688][ T5227] ? __pfx_ethnl_phy_done+0x10/0x10 [ 61.585877][ T5227] ? __pfx___might_resched+0x10/0x10 [ 61.591159][ T5227] netlink_rcv_skb+0x1e3/0x430 [ 61.595913][ T5227] ? __pfx_genl_rcv_msg+0x10/0x10 [ 61.600933][ T5227] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 61.606228][ T5227] genl_rcv+0x28/0x40 [ 61.610297][ T5227] netlink_unicast+0x7f6/0x990 [ 61.615062][ T5227] ? __pfx_netlink_unicast+0x10/0x10 [ 61.620337][ T5227] ? __virt_addr_valid+0x183/0x530 [ 61.625439][ T5227] ? __check_object_size+0x49c/0x900 [ 61.630715][ T5227] ? bpf_lsm_netlink_send+0x9/0x10 [ 61.635824][ T5227] netlink_sendmsg+0x8e4/0xcb0 [ 61.640584][ T5227] ? __pfx_netlink_sendmsg+0x10/0x10 [ 61.645862][ T5227] ? __import_iovec+0x536/0x820 [ 61.650703][ T5227] ? aa_sock_msg_perm+0x91/0x160 [ 61.655632][ T5227] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 61.660908][ T5227] ? security_socket_sendmsg+0x87/0xb0 [ 61.666375][ T5227] ? __pfx_netlink_sendmsg+0x10/0x10 [ 61.671657][ T5227] __sock_sendmsg+0x221/0x270 [ 61.676337][ T5227] ____sys_sendmsg+0x525/0x7d0 [ 61.681107][ T5227] ? __pfx_____sys_sendmsg+0x10/0x10 [ 61.686389][ T5227] ? do_raw_spin_lock+0x14f/0x370 [ 61.691412][ T5227] __sys_sendmsg+0x2b0/0x3a0 [ 61.695998][ T5227] ? __pfx___sys_sendmsg+0x10/0x10 [ 61.701201][ T5227] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.707531][ T5227] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.712718][ T5227] ? ptrace_notify+0x279/0x380 [ 61.717494][ T5227] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.725938][ T5227] ? do_syscall_64+0x100/0x230 [ 61.735529][ T5227] do_syscall_64+0xf3/0x230 [ 61.741919][ T5227] ? clear_bhb_loop+0x35/0x90 [ 61.746795][ T5227] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.752697][ T5227] RIP: 0033:0x7f7cf874a219 [ 61.757111][ T5227] Code: 48 83 c4 28 c3 e8 e7 18 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 [ 61.776720][ T5227] RSP: 002b:00007ffff97db218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.785129][ T5227] RAX: ffffffffffffffda RBX: 00007ffff97db3e8 RCX: 00007f7cf874a219 [ 61.793088][ T5227] RDX: 0000000000000000 RSI: 0000000020001900 RDI: 0000000000000003 [ 61.801045][ T5227] RBP: 00007f7cf87bc610 R08: 00007ffff97db3e8 R09: 00007ffff97db3e8 [ 61.809012][ T5227] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 61.816997][ T5227] R13: 00007ffff97db3d8 R14: 0000000000000001 R15: 0000000000000001 [ 61.825173][ T5227] [ 61.828484][ T5227] Kernel Offset: disabled [ 61.833536][ T5227] Rebooting in 86400 seconds..