audit: type=1804 audit(1677924100.202:279): pid=17816 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir535854177/syzkaller.Z7qVg0/343/bus" dev="sda1" ino=13882 res=1 ------------[ cut here ]------------ syz-executor.5 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 kernel BUG at lib/list_debug.c:45! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 17761 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b RSP: 0018:ffff88804a267950 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff88804a267a58 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed100944cf1c syz-executor.5 cpuset=/ mems_allowed=0-1 RBP: ffff88804a267a70 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff88804a267a78 R15: 0000000000000007 FS: 00007f9cff720700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CPU: 1 PID: 17806 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 CR2: 00007fff35474a90 CR3: 0000000090c23000 CR4: 00000000003406f0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 DR0: 0000000000000001 DR1: 0000000000000001 DR2: 0000000000000000 Call Trace: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 Call Trace: dump_header+0x15d/0xc3f mm/oom_kill.c:443 __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] __remove_wait_queue include/linux/wait.h:184 [inline] remove_wait_queue+0x2c/0x180 kernel/sched/wait.c:44 __tipc_sendstream+0x373/0x9d0 net/tipc/socket.c:1449 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1114 [inline] out_of_memory+0x1072/0x1390 mm/oom_kill.c:1064 tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1414 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 pagefault_out_of_memory+0x102/0x120 mm/oom_kill.c:1157 mm_fault_error+0x106/0x390 arch/x86/mm/fault.c:1040 __do_page_fault+0xc34/0xd60 arch/x86/mm/fault.c:1440 __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 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0033:0x7f663cc871c7 Code: 78 48 63 d5 48 01 c2 49 3b 55 08 77 56 8d 55 ff 85 ed 74 35 0f 1f 80 00 00 00 00 48 39 c1 77 1c 49 8b 75 00 49 89 c1 49 29 c9 <46> 0f b6 0c 0e 45 84 c9 74 08 44 88 0c 06 49 8b 45 10 48 83 c0 01 RSP: 002b:00007f663b25b600 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 00007f663b25b660 RCX: 0000000000000001 RDX: 0000000000000101 RSI: 00007f6632e3c000 RDI: 00007f663b25b700 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 RBP: 0000000000000102 R08: 0000000000000000 R09: 0000000000000000 entry_SYSCALL_64_after_hwframe+0x49/0xbe R10: 0000000000000000 R11: 00007f663b25b670 R12: 00007f663b25b670 RIP: 0033:0x7f9d011f00f9 R13: 00007f663b25b700 R14: 0000000000000001 R15: 0000000000000000 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 Mem-Info: RSP: 002b:00007f9cff720168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f9d01310120 RCX: 00007f9d011f00f9 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 000000000000000a RBP: 00007f9d0124bae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcbdd8be9f R14: 00007f9cff720300 R15: 0000000000022000 Modules linked in: active_anon:277200 inactive_anon:5714 isolated_anon:0 active_file:5679 inactive_file:11540 isolated_file:0 unevictable:0 dirty:97 writeback:0 unstable:0 slab_reclaimable:19373 slab_unreclaimable:133146 mapped:30706 shmem:9277 pagetables:1177 bounce:0 free:1208775 free_pcp:424 free_cma:0 ---[ end trace d632fb5d47e1e312 ]--- RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45 Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b RSP: 0018:ffff88804a267950 EFLAGS: 00010086 RAX: 000000000000004e RBX: ffff88804a267a58 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed100944cf1c RBP: ffff88804a267a70 R08: 000000000000004e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200 R13: dead000000000100 R14: ffff88804a267a78 R15: 0000000000000007 FS: 00007f9cff720700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff35474a90 CR3: 0000000090c23000 CR4: 00000000003406f0 DR0: 0000000000000001 DR1: 0000000000000001 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 28 00 sub %al,(%rax) 2: 00 00 add %al,(%rax) 4: 75 05 jne 0xb 6: 48 83 c4 28 add $0x28,%rsp a: c3 retq b: e8 f1 19 00 00 callq 0x1a01 10: 90 nop 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall * 2a: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 retq 33: 48 c7 c1 b8 ff ff ff mov $0xffffffffffffffb8,%rcx 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W