cred 134KB 344KB anon_vma_chain 70KB 208KB anon_vma 95KB 335KB pid 138KB 398KB Acpi-Operand 195KB 320KB Acpi-ParseExt 31KB 39KB Acpi-Parse 12KB 27KB Acpi-State 16KB 31KB Acpi-Namespace 35KB 48KB shared_policy_node 9KB 12KB numa_policy 11KB 16KB perf_event 13KB 31KB trace_event_file 532KB 536KB ftrace_event_field 1026KB 1027KB pool_workqueue 2331KB 2400KB task_group 43KB 63KB maple_node 436KB 1416KB mm_struct 168KB 398KB vmap_area 277KB 1061KB debug_objects_cache 3244KB 7277KB page->ptl 18KB 110KB kmalloc-cg-8k 1824KB 2080KB kmalloc-cg-4k 17544KB 18496KB kmalloc-cg-2k 10944KB 12352KB kmalloc-cg-1k 3082KB 3680KB kmalloc-cg-512 1559KB 1840KB kmalloc-cg-256 460KB 520KB kmalloc-cg-128 300KB 320KB kmalloc-cg-64 58KB 84KB kmalloc-cg-32 42KB 200KB kmalloc-cg-16 5KB 28KB kmalloc-cg-8 21KB 44KB kmalloc-cg-192 68KB 104KB kmalloc-cg-96 70KB 88KB kmalloc-8k 6944KB 7360KB kmalloc-4k 29648KB 31072KB kmalloc-2k 12704KB 14464KB kmalloc-1k 11408KB 11776KB kmalloc-512 12687KB 13216KB kmalloc-256 7163KB 7380KB kmalloc-128 2187KB 2536KB kmalloc-64 7053KB 9288KB kmalloc-32 2062KB 2956KB kmalloc-16 522KB 620KB kmalloc-8 439KB 548KB kmalloc-192 1794KB 2048KB kmalloc-96 2886KB 3256KB kmem_cache_node 213KB 220KB kmem_cache 177KB 218KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 0 UID: 0 PID: 5156 Comm: udevd Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x552/0x970 kernel/panic.c:650 panic+0xd1/0xe0 kernel/panic.c:787 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4111 [inline] __alloc_pages_slowpath mm/page_alloc.c:4909 [inline] __alloc_frozen_pages_noprof+0x232d/0x2bc0 mm/page_alloc.c:5234 alloc_pages_mpol+0x1fb/0x540 mm/mempolicy.c:2490 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2509 swap_cache_alloc_folio+0x1a8/0x300 mm/swap_state.c:548 swap_cluster_readahead+0x53b/0x770 mm/swap_state.c:745 swapin_readahead+0x160/0x12c0 mm/swap_state.c:901 do_swap_page+0x931/0x6180 mm/memory.c:4891 handle_pte_fault mm/memory.c:6430 [inline] __handle_mm_fault+0x192f/0x2a00 mm/memory.c:6565 handle_mm_fault+0x37b/0xa30 mm/memory.c:6734 do_user_addr_fault+0x74c/0x12f0 arch/x86/mm/fault.c:1385 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0010:epoll_put_uevent include/linux/eventpoll.h:90 [inline] RIP: 0010:ep_send_events+0x3ba/0xbf0 fs/eventpoll.c:1824 Code: 84 c1 0f 85 63 07 00 00 48 8b 53 6c 48 8b 44 24 30 48 8b 4c 24 38 48 89 54 24 28 48 39 c8 48 0f 47 c1 0f 01 cb 48 89 44 24 18 <44> 89 30 e8 ee 7a 66 ff 48 8b 44 24 18 48 8b 54 24 28 48 89 50 04 RSP: 0000:ffffc90003537bb8 EFLAGS: 00050287 RAX: 00007ffd9f0457a0 RBX: ffff88802b124a80 RCX: 00007ffffffff000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: ffff88802b124aec RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802b124a98 R13: ffff88802b124a98 R14: 0000000000000001 R15: ffffc90003537c20 ep_try_send_events fs/eventpoll.c:1907 [inline] ep_poll fs/eventpoll.c:1972 [inline] do_epoll_wait+0x4a4/0x1020 fs/eventpoll.c:2464 __do_sys_epoll_wait fs/eventpoll.c:2472 [inline] __se_sys_epoll_wait fs/eventpoll.c:2467 [inline] __x64_sys_epoll_wait+0x194/0x290 fs/eventpoll.c:2467 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f883dca7407 Code: Unable to access opcode bytes at 0x7f883dca73dd. RSP: 002b:00007ffd9f045640 EFLAGS: 00000202 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 00007f883e37a880 RCX: 00007f883dca7407 RDX: 0000000000000008 RSI: 00007ffd9f0457a0 RDI: 000000000000000b RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000bb8 R11: 0000000000000202 R12: 0000000000000000 R13: 000055591b995100 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 84 c1 test %al,%cl 2: 0f 85 63 07 00 00 jne 0x76b 8: 48 8b 53 6c mov 0x6c(%rbx),%rdx c: 48 8b 44 24 30 mov 0x30(%rsp),%rax 11: 48 8b 4c 24 38 mov 0x38(%rsp),%rcx 16: 48 89 54 24 28 mov %rdx,0x28(%rsp) 1b: 48 39 c8 cmp %rcx,%rax 1e: 48 0f 47 c1 cmova %rcx,%rax 22: 0f 01 cb stac 25: 48 89 44 24 18 mov %rax,0x18(%rsp) * 2a: 44 89 30 mov %r14d,(%rax) <-- trapping instruction 2d: e8 ee 7a 66 ff call 0xff667b20 32: 48 8b 44 24 18 mov 0x18(%rsp),%rax 37: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 3c: 48 89 50 04 mov %rdx,0x4(%rax)