kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 454 Comm: syz-executor264 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__hlist_del include/linux/list.h:791 [inline] RIP: 0010:detach_timer kernel/time/timer.c:824 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline] RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1817 Code: 89 e7 e8 63 51 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 a5 66 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 32 51 3f 00 4d 89 65 00 eb 05 e8 77 RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010802 RAX: 1bd5a00000000025 RBX: 1ffff1103ae4d639 RCX: dffffc0000000000 RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0 RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e20 R13: dead00000000012a R14: 1ffff1103ae4d638 R15: ffff8881d726b1c8 FS: 0000555559ce7480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555559ce7438 CR3: 00000001e52b9000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1830 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:539 [inline] smp_apic_timer_interrupt+0x11a/0x490 arch/x86/kernel/apic/apic.c:1161 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:834 RIP: 0010:__set_page_owner_handle mm/page_owner.c:171 [inline] RIP: 0010:__set_page_owner+0xa4/0x1e0 mm/page_owner.c:192 Code: 41 ff cd 49 c7 c7 c0 3e f8 85 49 c1 ef 03 48 8b 05 91 6f 5f 04 48 8d 2c 03 48 8d 7c 03 08 48 89 f8 48 c1 e8 03 42 0f b6 04 30 <84> c0 0f 85 aa 00 00 00 8b 44 24 04 89 45 08 48 89 e8 48 c1 e8 03 RSP: 0018:ffff8881e46ef210 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffff8881f276f8e8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881f276f8f8 RBP: ffff8881f276f8f0 R08: ffffffff8198b324 R09: ffffed103edcb135 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffffffff0bf07d8 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook mm/page_alloc.c:2165 [inline] prep_new_page+0x18f/0x370 mm/page_alloc.c:2171 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893 __alloc_pages include/linux/gfp.h:503 [inline] __alloc_pages_node include/linux/gfp.h:516 [inline] alloc_pages_node include/linux/gfp.h:530 [inline] pcpu_alloc_pages mm/percpu-vm.c:94 [inline] pcpu_populate_chunk+0x1bb/0xd00 mm/percpu-vm.c:284 pcpu_alloc+0x79e/0x1050 mm/percpu.c:1714 prealloc_init+0x238/0x800 kernel/bpf/hashtab.c:154 htab_map_alloc+0x638/0x930 kernel/bpf/hashtab.c:385 find_and_alloc_map kernel/bpf/syscall.c:122 [inline] map_create kernel/bpf/syscall.c:573 [inline] __do_sys_bpf kernel/bpf/syscall.c:2873 [inline] __se_sys_bpf+0x3291/0xbcb0 kernel/bpf/syscall.c:2849 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f4300555899 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 1f 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:00007ffd4c737a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4300555899 RDX: 0000000000000048 RSI: 0000400000000840 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd4c737a98 R13: 00007ffd4c737ad0 R14: 0000000000000004 R15: 431bde82d7b634db Modules linked in: ---[ end trace c50793ccf37d12dc ]--- RIP: 0010:__hlist_del include/linux/list.h:791 [inline] RIP: 0010:detach_timer kernel/time/timer.c:824 [inline] RIP: 0010:expire_timers kernel/time/timer.c:1482 [inline] RIP: 0010:__run_timers+0x7b0/0xbe0 kernel/time/timer.c:1817 Code: 89 e7 e8 63 51 3f 00 4d 89 2c 24 4d 85 ed 74 2e e8 a5 66 0f 00 49 83 c5 08 4c 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ef e8 32 51 3f 00 4d 89 65 00 eb 05 e8 77 RSP: 0018:ffff8881f6e09d60 EFLAGS: 00010802 RAX: 1bd5a00000000025 RBX: 1ffff1103ae4d639 RCX: dffffc0000000000 RDX: 0000000000000101 RSI: 0000000000000004 RDI: ffff8881f6e09ce0 RBP: ffff8881f6e09ec8 R08: dffffc0000000000 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881f6e09e20 R13: dead00000000012a R14: 1ffff1103ae4d638 R15: ffff8881d726b1c8 FS: 0000555559ce7480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555559ce7438 CR3: 00000001e52b9000 CR4: 00000000003406b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 e7 mov %esp,%edi 2: e8 63 51 3f 00 call 0x3f516a 7: 4d 89 2c 24 mov %r13,(%r12) b: 4d 85 ed test %r13,%r13 e: 74 2e je 0x3e 10: e8 a5 66 0f 00 call 0xf66ba 15: 49 83 c5 08 add $0x8,%r13 19: 4c 89 e8 mov %r13,%rax 1c: 48 c1 e8 03 shr $0x3,%rax 20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 27: fc ff df * 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2e: 74 08 je 0x38 30: 4c 89 ef mov %r13,%rdi 33: e8 32 51 3f 00 call 0x3f516a 38: 4d 89 65 00 mov %r12,0x0(%r13) 3c: eb 05 jmp 0x43 3e: e8 .byte 0xe8 3f: 77 .byte 0x77