./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2852764619
<...>
Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts.
execve("./syz-executor2852764619", ["./syz-executor2852764619"], 0x7ffe2f8fb350 /* 10 vars */) = 0
brk(NULL) = 0x555555acd000
brk(0x555555acdd00) = 0x555555acdd00
arch_prctl(ARCH_SET_FS, 0x555555acd380) = 0
set_tid_address(0x555555acd650) = 5058
set_robust_list(0x555555acd660, 24) = 0
rseq(0x555555acdca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2852764619", 4096) = 28
getrandom("\x15\xd4\x9e\x5a\x2e\xaf\x0d\x9f", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555acdd00
brk(0x555555aeed00) = 0x555555aeed00
brk(0x555555aef000) = 0x555555aef000
mprotect(0x7fabcbe05000, 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
socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0
ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0
[ 62.100843][ T5058] netlink: 56 bytes leftover after parsing attributes in process `syz-executor285'.
[ 62.110570][ T5058] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 62.118391][ T5058] #PF: supervisor instruction fetch in kernel mode
[ 62.124887][ T5058] #PF: error_code(0x0010) - not-present page
[ 62.130910][ T5058] PGD 2dd7a067 P4D 2dd7a067 PUD 2ba46067 PMD 0
[ 62.137149][ T5058] Oops: 0010 [#1] PREEMPT SMP KASAN
[ 62.142327][ T5058] CPU: 1 PID: 5058 Comm: syz-executor285 Not tainted 6.7.0-rc8-next-20240105-syzkaller #0
[ 62.152197][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 62.162266][ T5058] RIP: 0010:0x0
[ 62.165721][ T5058] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 62.173066][ T5058] RSP: 0018:ffffc9000393f408 EFLAGS: 00010246
[ 62.179118][ T5058] RAX: dffffc0000000000 RBX: ffff88802c5c2000 RCX: ffffffff889a5187
[ 62.187077][ T5058] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff88802c5c2000
[ 62.195054][ T5058] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000
[ 62.203011][ T5058] R10: 0000000000000001 R11: ffffffff81d61275 R12: ffff888013fa0000
[ 62.210966][ T5058] R13: ffffffff8beef640 R14: 0000000000000001 R15: ffffffff8f3b9260
[ 62.218919][ T5058] FS: 0000555555acd380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 62.227839][ T5058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 62.234637][ T5058] CR2: ffffffffffffffd6 CR3: 000000002097c000 CR4: 00000000003506f0
[ 62.242632][ T5058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 62.250584][ T5058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 62.258538][ T5058] Call Trace:
[ 62.261802][ T5058] <TASK>
[ 62.264720][ T5058] ? show_regs+0x8e/0xa0
[ 62.268982][ T5058] ? __die+0x2c/0x80
[ 62.272862][ T5058] ? page_fault_oops+0x397/0xab0
[ 62.277784][ T5058] ? dump_pagetable+0x530/0x530
[ 62.282617][ T5058] ? netem_change+0x1505/0x2520
[ 62.287462][ T5058] ? netem_dump+0x1260/0x1260
[ 62.292123][ T5058] ? do_user_addr_fault+0x562/0x1020
[ 62.297392][ T5058] ? rcu_is_watching+0x12/0xb0
[ 62.302143][ T5058] ? exc_page_fault+0x5c/0xc0
[ 62.306803][ T5058] ? asm_exc_page_fault+0x26/0x30
[ 62.311813][ T5058] ? __kmalloc_node+0x2a5/0x480
[ 62.316652][ T5058] ? qdisc_create+0xca7/0x1440
[ 62.321407][ T5058] qdisc_create+0x6c0/0x1440
[ 62.325985][ T5058] ? tc_get_qdisc+0xdf0/0xdf0
[ 62.330651][ T5058] ? __nla_parse+0x40/0x50
[ 62.335055][ T5058] tc_modify_qdisc+0x4d5/0x1c30
[ 62.339895][ T5058] ? qdisc_create+0x1440/0x1440
[ 62.344731][ T5058] ? trace_irq_enable.constprop.0+0xe0/0x110
[ 62.350704][ T5058] ? bpf_lsm_capable+0x9/0x10
[ 62.355364][ T5058] ? security_capable+0x92/0xc0
[ 62.360210][ T5058] ? qdisc_create+0x1440/0x1440
[ 62.365046][ T5058] rtnetlink_rcv_msg+0x3c7/0xe00
[ 62.369966][ T5058] ? rtnl_fill_vf+0x490/0x490
[ 62.374630][ T5058] netlink_rcv_skb+0x16b/0x440
[ 62.379381][ T5058] ? rtnl_fill_vf+0x490/0x490
[ 62.384042][ T5058] ? netlink_ack+0x1380/0x1380
[ 62.388790][ T5058] ? lock_sync+0x190/0x190
[ 62.393220][ T5058] ? __rhashtable_lookup.constprop.0+0x397/0x710
[ 62.399536][ T5058] ? netlink_deliver_tap+0x1a0/0xd00
[ 62.404804][ T5058] ? _copy_from_iter+0x2c1/0x10f0
[ 62.409826][ T5058] netlink_unicast+0x53b/0x810
[ 62.414599][ T5058] ? netlink_attachskb+0x870/0x870
[ 62.419708][ T5058] ? __phys_addr_symbol+0x30/0x70
[ 62.424727][ T5058] ? __check_object_size+0x322/0x730
[ 62.430020][ T5058] netlink_sendmsg+0x8b4/0xd70
[ 62.435060][ T5058] ? netlink_unicast+0x810/0x810
[ 62.440159][ T5058] ? bpf_lsm_socket_sendmsg+0x9/0x10
[ 62.445441][ T5058] ? netlink_unicast+0x810/0x810
[ 62.450385][ T5058] __sock_sendmsg+0xd5/0x180
[ 62.455000][ T5058] ____sys_sendmsg+0x6ac/0x940
[ 62.459760][ T5058] ? copy_msghdr_from_user+0x10b/0x160
[ 62.465265][ T5058] ? kernel_sendmsg+0x50/0x50
[ 62.469948][ T5058] ? finish_task_switch.isra.0+0x217/0xcb0
[ 62.475755][ T5058] ? __switch_to+0x749/0x1370
[ 62.480448][ T5058] ___sys_sendmsg+0x135/0x1d0
[ 62.485133][ T5058] ? do_recvmmsg+0x740/0x740
[ 62.489720][ T5058] ? trace_irq_enable.constprop.0+0xe0/0x110
[ 62.495808][ T5058] ? lock_sync+0x190/0x190
[ 62.500299][ T5058] ? ptrace_stop.part.0+0x44a/0x930
[ 62.505590][ T5058] ? __fget_light+0x172/0x200
[ 62.510270][ T5058] __sys_sendmsg+0x117/0x1e0
[ 62.514868][ T5058] ? __sys_sendmsg_sock+0x30/0x30
[ 62.519991][ T5058] ? ptrace_notify+0xf1/0x130
[ 62.524747][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50
[ 62.529937][ T5058] ? ptrace_notify+0xf1/0x130
[ 62.534602][ T5058] do_syscall_64+0xd0/0x250
[ 62.539095][ T5058] entry_SYSCALL_64_after_hwframe+0x62/0x6a
[ 62.544974][ T5058] RIP: 0033:0x7fabcbd923e9
[ 62.549396][ T5058] 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
[ 62.569003][ T5058] RSP: 002b:00007fff7ac071c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 62.577397][ T5058] RAX: ffffffffffffffda RBX: 00007fff7ac07398 RCX: 00007fabcbd923e9
[ 62.585361][ T5058] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[ 62.593313][ T5058] RBP: 00007fabcbe05610 R08: 00007fff7ac07398 R09: 00007fff7ac07398
[ 62.601264][ T5058] R10: 00007fff7ac07398 R11: 0000000000000246 R12: 0000000000000001
[ 62.609242][ T5058] R13: 00007fff7ac07388 R14: 0000000000000001 R15: 0000000000000001
[ 62.617209][ T5058] </TASK>
[ 62.620212][ T5058] Modules linked in:
[ 62.624175][ T5058] CR2: 0000000000000000
[ 62.628308][ T5058] ---[ end trace 0000000000000000 ]---
[ 62.633748][ T5058] RIP: 0010:0x0
[ 62.637199][ T5058] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 62.644549][ T5058] RSP: 0018:ffffc9000393f408 EFLAGS: 00010246
[ 62.650596][ T5058] RAX: dffffc0000000000 RBX: ffff88802c5c2000 RCX: ffffffff889a5187
[ 62.658547][ T5058] RDX: 0000000000000000 RSI: 000000000000fff2 RDI: ffff88802c5c2000
[ 62.666593][ T5058] RBP: ffffffff8f3b9260 R08: 0000000000000001 R09: 0000000000000000
[ 62.674545][ T5058] R10: 0000000000000001 R11: ffffffff81d61275 R12: ffff888013fa0000
[ 62.682496][ T5058] R13: ffffffff8beef640 R14: 0000000000000001 R15: ffffffff8f3b9260
[ 62.690449][ T5058] FS: 0000555555acd380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 62.699365][ T5058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 62.706019][ T5058] CR2: ffffffffffffffd6 CR3: 000000002097c000 CR4: 00000000003506f0
[ 62.713973][ T5058] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 62.721924][ T5058] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 62.729882][ T5058] Kernel panic - not syncing: Fatal exception
[ 62.736050][ T5058] Kernel Offset: disabled
[ 62.740534][ T5058] Rebooting in 86400 seconds..