------------[ cut here ]------------ WARNING: CPU: 0 PID: 11573 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90 Modules linked in: CPU: 0 PID: 11573 Comm: syz-executor Not tainted 6.1.97-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441 Code: 8b 3c 24 e8 e6 97 88 00 e9 d9 fc ff ff e8 fc 14 31 00 89 ee 48 c7 c7 c0 96 fd 8c e8 de 33 0a 03 e9 1e fc ff ff e8 e4 14 31 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ce 14 31 00 RSP: 0018:ffffc90000007af8 EFLAGS: 00010046 RAX: ffffffff81597f2c RBX: 00000000000b0012 RCX: ffff88801a6e9dc0 RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff815a6cd5 R09: fffffbfff1ce7016 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000008 R15: ffff888141a77800 FS: 0000555555efa500(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69d5b03ff8 CR3: 0000000022b65000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1544 [inline] __run_timers+0x6a8/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:check_preemption_disabled+0x2/0x110 lib/smp_processor_id.c:13 Code: 1c 8d 48 89 de e8 3e 71 d8 f9 e9 6d ff ff ff cc cc cc cc cc cc cc cc cc 48 c7 c7 00 47 3d 8b 48 c7 c6 40 47 3d 8b eb 00 41 57 <41> 56 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 RSP: 0018:ffffc900033cf588 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88801a6e9dc0 RDX: ffff88801a6e9dc0 RSI: ffffffff8b3d4740 RDI: ffffffff8b3d4700 RBP: 0000000000000001 R08: ffffffff81ecc012 R09: ffffed1002d08f0e R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffffea0001a3f940 R15: 0000000000100cc0 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] rcu_is_watching+0x11/0xb0 kernel/rcu/tree.c:721 rcu_read_unlock include/linux/rcupdate.h:820 [inline] page_ext_put+0x2b/0xb0 mm/page_ext.c:182 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x322e/0x33b0 mm/page_alloc.c:4283 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5551 __get_free_pages+0x8/0x30 mm/page_alloc.c:5601 kasan_populate_vmalloc_pte+0x35/0xf0 mm/kasan/shadow.c:271 apply_to_pte_range mm/memory.c:2645 [inline] apply_to_pmd_range mm/memory.c:2689 [inline] apply_to_pud_range mm/memory.c:2725 [inline] apply_to_p4d_range mm/memory.c:2761 [inline] __apply_to_page_range+0x9c5/0xcc0 mm/memory.c:2795 alloc_vmap_area+0x1977/0x1ac0 mm/vmalloc.c:1646 __get_vm_area_node+0x16c/0x360 mm/vmalloc.c:2505 __vmalloc_node_range+0x389/0x1490 mm/vmalloc.c:3200 vmalloc_user+0x70/0x80 mm/vmalloc.c:3394 kcov_ioctl+0x55/0x630 kernel/kcov.c:704 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f69d59757db Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007fffa36a7050 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f69d59757db RDX: 0000000000040000 RSI: ffffffff80086301 RDI: 00000000000000d8 RBP: 00007f69d5b03ff8 R08: 0000000000000000 R09: 00007fffa36a7378 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000009 ---------------- Code disassembly (best guess): 0: 1c 8d sbb $0x8d,%al 2: 48 89 de mov %rbx,%rsi 5: e8 3e 71 d8 f9 call 0xf9d87148 a: e9 6d ff ff ff jmp 0xffffff7c f: cc int3 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: cc int3 15: cc int3 16: cc int3 17: cc int3 18: 48 c7 c7 00 47 3d 8b mov $0xffffffff8b3d4700,%rdi 1f: 48 c7 c6 40 47 3d 8b mov $0xffffffff8b3d4740,%rsi 26: eb 00 jmp 0x28 28: 41 57 push %r15 * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 54 push %r12 2e: 53 push %rbx 2f: 48 83 ec 10 sub $0x10,%rsp 33: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 3a: 00 00 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 44 rex.R 3f: 24 .byte 0x24