IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready Bluetooth: hci0: command 0x0409 tx timeout WARNING: CPU: 0 PID: 8758 at kernel/events/core.c:1840 perf_group_attach+0x3df/0x4b0 syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:1840 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8758 Comm: systemd-udevd Not tainted 4.19.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack syzkaller/managers/linux-4-19/kernel/lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef syzkaller/managers/linux-4-19/kernel/lib/dump_stack.c:118 panic+0x26a/0x50e syzkaller/managers/linux-4-19/kernel/kernel/panic.c:186 __warn.cold+0x20/0x5a syzkaller/managers/linux-4-19/kernel/kernel/panic.c:541 report_bug+0x262/0x2b0 syzkaller/managers/linux-4-19/kernel/lib/bug.c:186 fixup_bug syzkaller/managers/linux-4-19/kernel/arch/x86/kernel/traps.c:178 [inline] fixup_bug syzkaller/managers/linux-4-19/kernel/arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 syzkaller/managers/linux-4-19/kernel/arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/entry_64.S:1038 RIP: 0010:perf_group_attach+0x3df/0x4b0 syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:1840 Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 57 48 8b 5b 10 48 83 eb 10 48 39 dd 75 d4 e9 2b ff ff ff e8 31 9d eb ff <0f> 0b e9 6e fd ff ff e8 15 54 21 00 e9 cd fc ff ff 48 c7 c7 a0 cc RSP: 0018:ffff8880ba007ed0 EFLAGS: 00010006 RAX: ffff88809eb9e040 RBX: ffff88809e8ad340 RCX: ffffffff8176b985 RDX: 0000000000010000 RSI: ffffffff8176bc8f RDI: ffff88809e8ad558 RBP: ffff88809f00b300 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c65d01b R12: ffffe8ffffc114a0 R13: 0000000000000000 R14: ffff8880ba0301c8 R15: ffff88809e8ad820 add_event_to_ctx syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:2398 [inline] __perf_install_in_context+0x491/0x900 syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:2539 remote_function syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:87 [inline] remote_function+0x11e/0x1a0 syzkaller/managers/linux-4-19/kernel/kernel/events/core.c:67 flush_smp_call_function_queue+0x144/0x4d0 syzkaller/managers/linux-4-19/kernel/kernel/smp.c:243 smp_call_function_single_interrupt+0x98/0x440 syzkaller/managers/linux-4-19/kernel/arch/x86/kernel/smp.c:304 call_function_single_interrupt+0xf/0x20 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/entry_64.S:916 RIP: 0010:arch_local_irq_restore syzkaller/managers/linux-4-19/kernel/./arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:kmem_cache_free+0x11c/0x260 syzkaller/managers/linux-4-19/kernel/mm/slab.c:3766 Code: 11 48 63 75 74 48 89 df e8 11 e0 dd 01 e9 68 ff ff ff e8 b7 a5 cf ff 48 83 3d 87 aa 59 08 00 0f 84 f8 00 00 00 4c 89 e7 57 9d <0f> 1f 44 00 00 eb 86 65 8b 05 96 a9 69 7e 83 f8 07 0f 87 e7 00 00 RSP: 0018:ffff88809f847be0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 RAX: 0000000000000007 RBX: ffff88809fa61da8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff88823b833ac0 R08: 0000000000400000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000286 R13: ffffffff818d6842 R14: 000000000000012f R15: ffff88809e525900 remove_vma+0x132/0x170 syzkaller/managers/linux-4-19/kernel/mm/mmap.c:180 exit_mmap+0x359/0x530 syzkaller/managers/linux-4-19/kernel/mm/mmap.c:3104 __mmput syzkaller/managers/linux-4-19/kernel/kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 syzkaller/managers/linux-4-19/kernel/kernel/fork.c:1036 exit_mm syzkaller/managers/linux-4-19/kernel/kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 syzkaller/managers/linux-4-19/kernel/kernel/exit.c:857 do_group_exit+0x125/0x310 syzkaller/managers/linux-4-19/kernel/kernel/exit.c:967 __do_sys_exit_group syzkaller/managers/linux-4-19/kernel/kernel/exit.c:978 [inline] __se_sys_exit_group syzkaller/managers/linux-4-19/kernel/kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 syzkaller/managers/linux-4-19/kernel/kernel/exit.c:976 do_syscall_64+0xf9/0x620 syzkaller/managers/linux-4-19/kernel/arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ffb27106618 Code: Bad RIP value. RSP: 002b:00007ffc56a7a7f8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffc56a7a8c0 RCX: 00007ffb27106618 RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 RBP: 00007ffc56a7a970 R08: 00000000000000e7 R09: fffffffffffffe50 R10: 00000000ffffffff R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000003 R15: 000000000000000e Kernel Offset: disabled Rebooting in 86400 seconds..