Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __icmp_send+0x1205/0x1440 net/ipv4/icmp.c:778 CPU: 2 PID: 11317 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller-00191-g622322f53c6d #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 panic+0x688/0x730 kernel/panic.c:340 __stack_chk_fail+0x19/0x20 kernel/panic.c:759 __icmp_send+0x1205/0x1440 net/ipv4/icmp.c:778 icmp_send include/net/icmp.h:43 [inline] ip_expire+0x699/0x8a0 net/ipv4/ip_fragment.c:191 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1d4/0x905 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:preempt_schedule_irq+0x4d/0x90 kernel/sched/core.c:6937 Code: 55 65 48 8b 2c 25 c0 b8 03 00 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 ae 5b 55 f7 e8 d9 5e 87 f7 fb bf 01 00 00 00 fe 9b ff ff 9c 58 fa f6 c4 02 75 1a bf 01 00 00 00 e8 7c 37 55 RSP: 0018:ffffc9000c7df988 EFLAGS: 00000202 RAX: 000000000000b5d9 RBX: ffffed1004fff828 RCX: 1ffffffff1cecd29 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888027ffc140 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1ced332 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x35/0x80 kernel/entry/common.c:433 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x70 kernel/kcov.c:207 Code: 81 e1 00 01 00 00 65 48 8b 14 25 c0 b8 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 74 15 00 00 85 c0 74 2b 8b 82 50 15 00 00 <83> f8 02 75 20 48 8b 8a 58 15 00 00 8b 92 54 15 00 00 48 8b 01 48 RSP: 0018:ffffc9000c7dfa58 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffffc9000c7dfdb0 RCX: 0000000000000000 RDX: ffff888027ffc140 RSI: ffffffff87f92e7a RDI: ffffc9000c7dfdb0 RBP: ffffc9000c7dfab0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000c7dfbb0 R13: ffffc9000c7dfdb0 R14: ffffc9000c7dfbb0 R15: ffffc9000c7dfb90 __copy_msghdr+0x1a/0x4b0 net/socket.c:2384 copy_msghdr_from_user+0xb4/0x150 net/socket.c:2435 recvmsg_copy_msghdr net/socket.c:2686 [inline] ___sys_recvmsg+0xbc/0x180 net/socket.c:2758 do_recvmmsg+0x25e/0x6e0 net/socket.c:2856 __sys_recvmmsg net/socket.c:2935 [inline] __do_sys_recvmmsg net/socket.c:2958 [inline] __se_sys_recvmmsg net/socket.c:2951 [inline] __x64_sys_recvmmsg+0x20f/0x260 net/socket.c:2951 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdf25a8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007fdf26873168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fdf25bac050 RCX: 00007fdf25a8c169 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007fdf25ae7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff346e8def R14: 00007fdf26873300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 55 push %rbp 1: 65 48 8b 2c 25 c0 b8 mov %gs:0x3b8c0,%rbp 8: 03 00 a: 53 push %rbx b: 48 89 eb mov %rbp,%rbx e: 48 c1 eb 03 shr $0x3,%rbx 12: 48 01 c3 add %rax,%rbx 15: bf 01 00 00 00 mov $0x1,%edi 1a: e8 ae 5b 55 f7 callq 0xf7555bcd 1f: e8 d9 5e 87 f7 callq 0xf7875efd 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 fe 9b ff ff callq 0xffff9c2d <-- trapping instruction 2f: 9c pushfq 30: 58 pop %rax 31: fa cli 32: f6 c4 02 test $0x2,%ah 35: 75 1a jne 0x51 37: bf 01 00 00 00 mov $0x1,%edi 3c: e8 .byte 0xe8 3d: 7c 37 jl 0x76 3f: 55 push %rbp