FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 WARNING: CPU: 0 PID: 1603 at kernel/tracepoint.c:303 tracepoint_add_func+0x9e9/0xb90 kernel/tracepoint.c:303 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 1603 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:tracepoint_add_func+0x9e9/0xb90 kernel/tracepoint.c:303 Code: 4c 89 e5 48 98 48 8d 04 40 4c 8d 24 c1 e9 82 fc ff ff e8 6a bb fe ff 48 83 fb f4 74 92 e8 5f bb fe ff 41 89 dc e8 57 bb fe ff <0f> 0b e9 98 f8 ff ff e8 4b bb fe ff 49 83 c4 28 48 8b 2c 24 e9 51 RSP: 0018:ffff88809767f598 EFLAGS: 00010206 RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc90006243000 RDX: 0000000000000da0 RSI: ffffffff8163ca19 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 00000000ffffffef R13: 00000000ffffffff R14: 0000000000000000 R15: dffffc0000000000 tracepoint_probe_register_prio kernel/tracepoint.c:403 [inline] tracepoint_probe_register+0xa1/0xf0 kernel/tracepoint.c:423 register_trace_napi_poll include/trace/events/napi.h:14 [inline] set_all_monitor_traces net/core/drop_monitor.c:261 [inline] net_dm_cmd_trace net/core/drop_monitor.c:311 [inline] net_dm_cmd_trace+0x2d9/0x3f0 net/core/drop_monitor.c:306 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2f02158279 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 RSP: 002b:00007f2f00acd168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2f0226af80 RCX: 00007f2f02158279 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005 RBP: 00007f2f00acd1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc485cbfdf R14: 00007f2f00acd300 R15: 0000000000022000 CPU: 1 PID: 1598 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x277/0x370 mm/slab.c:3557 anon_vma_alloc mm/rmap.c:82 [inline] __anon_vma_prepare+0x2d3/0x560 mm/rmap.c:190 anon_vma_prepare include/linux/rmap.h:154 [inline] do_huge_pmd_anonymous_page+0x106e/0x1e60 mm/huge_memory.c:691 create_huge_pmd mm/memory.c:4066 [inline] __handle_mm_fault+0x289c/0x41c0 mm/memory.c:4270 handle_mm_fault+0x436/0xb10 mm/memory.c:4336 __do_page_fault+0x68e/0xd60 arch/x86/mm/fault.c:1412 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 Code: 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 65 48 8b 1c 25 c0 df 01 00 48 8b 9b 98 14 00 00 48 83 eb 03 48 39 d9 73 3c 0f 01 cb <89> 01 31 c0 0f 01 ca c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 65 48 RSP: 0018:ffff88809e55fe28 EFLAGS: 00050297 RAX: 0000000000000004 RBX: 00007fffffffeffd RCX: 0000000020000000 RDX: 0000000000000058 RSI: ffffffff866de86b RDI: 0000000000000286 RBP: 0000000000000000 R08: ffffffff8cd254f0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004 R13: 0000000000000005 R14: 0000000000000000 R15: dffffc0000000000 __sys_socketpair+0x107/0x570 net/socket.c:1503 __do_sys_socketpair net/socket.c:1569 [inline] __se_sys_socketpair net/socket.c:1566 [inline] __x64_sys_socketpair+0x93/0xf0 net/socket.c:1566 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f99efaf9279 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 RSP: 002b:00007f99ee46e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f99efc0bf80 RCX: 00007f99efaf9279 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000f RBP: 00007f99ee46e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffebd9eca9f R14: 00007f99ee46e300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 01 ca add %ecx,%edx 2: c3 retq 3: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) a: 00 00 00 00 e: 65 48 8b 1c 25 c0 df mov %gs:0x1dfc0,%rbx 15: 01 00 17: 48 8b 9b 98 14 00 00 mov 0x1498(%rbx),%rbx 1e: 48 83 eb 03 sub $0x3,%rbx 22: 48 39 d9 cmp %rbx,%rcx 25: 73 3c jae 0x63 27: 0f 01 cb stac * 2a: 89 01 mov %eax,(%rcx) <-- trapping instruction 2c: 31 c0 xor %eax,%eax 2e: 0f 01 ca clac 31: c3 retq 32: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1) 39: 00 00 00 00 3d: 90 nop 3e: 65 gs 3f: 48 rex.W