------------[ cut here ]------------ WARNING: CPU: 1 PID: 24484 at kernel/workqueue.c:1441 __queue_work+0xda4/0xf50 Modules linked in: CPU: 1 PID: 24484 Comm: syz-executor.0 Not tainted 6.1.54-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:__queue_work+0xda4/0xf50 kernel/workqueue.c:1441 Code: 8b 3c 24 e8 fe 92 87 00 e9 f5 fc ff ff e8 f4 e2 30 00 89 ee 48 c7 c7 20 8a fd 8c e8 a6 66 07 03 e9 3a fc ff ff e8 dc e2 30 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c6 e2 30 00 RSP: 0018:ffffc900001e0b00 EFLAGS: 00010046 RAX: ffffffff815931b4 RBX: 00000000000b0012 RCX: ffff8880223f1dc0 RDX: 0000000080000101 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff815a1415 R09: fffffbfff1ce75e6 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000008 R14: ffff888075b8a000 R15: 1ffff9200003c174 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbb3059ad58 CR3: 000000009bba2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x19e/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1514 [inline] __run_timers+0x6a8/0x890 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 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:649 RIP: 0010:kasan_check_range+0x1ac/0x290 mm/kasan/generic.c:189 Code: 4c 89 d5 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 39 00 0f 85 a2 00 00 00 49 ff c1 48 ff cd 75 ee 5b <41> 5e 41 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 00 75 5d 41 f7 RSP: 0018:ffffc9000347f320 EFLAGS: 00000256 RAX: 8000000074d63001 RBX: ffff8880223f1dc0 RCX: ffffffff81cb34a2 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8880223f1dc0 RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed100447e3b9 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88809f464720 R13: 8000000074d63007 R14: ffffed100447e3b9 R15: dffffc0000000000 instrument_atomic_read include/linux/instrumented.h:72 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] test_ti_thread_flag include/linux/thread_info.h:118 [inline] need_resched include/linux/sched.h:2231 [inline] zap_pte_range mm/memory.c:1418 [inline] zap_pmd_range mm/memory.c:1564 [inline] zap_pud_range mm/memory.c:1593 [inline] zap_p4d_range mm/memory.c:1614 [inline] unmap_page_range+0xb42/0x2740 mm/memory.c:1635 unmap_vmas+0x3c4/0x560 mm/memory.c:1720 exit_mmap+0x252/0x9f0 mm/mmap.c:3214 __mmput+0x115/0x3c0 kernel/fork.c:1191 exit_mm+0x226/0x300 kernel/exit.c:563 do_exit+0x67e/0x2300 kernel/exit.c:856 do_group_exit+0x202/0x2b0 kernel/exit.c:1019 get_signal+0x16f7/0x17d0 kernel/signal.c:2862 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbb2f87cae9 Code: Unable to access opcode bytes at 0x7fbb2f87cabf. RSP: 002b:00007ffdba2ad198 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffdfc RBX: 00000000000e90db RCX: 00007fbb2f87cae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbb2f99c05c RBP: 0000000000000032 R08: 00007fbb2f99c05c R09: 00007fbb2f99c12c R10: 00007ffdba2ad2d0 R11: 0000000000000246 R12: 00007fbb2f99c05c R13: 00000000000e910d R14: 00007ffdba2ad2f0 R15: 00007ffdba2ad2d0 ---------------- Code disassembly (best guess): 0: 4c 89 d5 mov %r10,%rbp 3: 48 8d 5d 07 lea 0x7(%rbp),%rbx 7: 48 85 ed test %rbp,%rbp a: 48 0f 49 dd cmovns %rbp,%rbx e: 48 83 e3 f8 and $0xfffffffffffffff8,%rbx 12: 48 29 dd sub %rbx,%rbp 15: 74 12 je 0x29 17: 41 80 39 00 cmpb $0x0,(%r9) 1b: 0f 85 a2 00 00 00 jne 0xc3 21: 49 ff c1 inc %r9 24: 48 ff cd dec %rbp 27: 75 ee jne 0x17 29: 5b pop %rbx * 2a: 41 5e pop %r14 <-- trapping instruction 2c: 41 5f pop %r15 2e: 5d pop %rbp 2f: c3 ret 30: 45 84 f6 test %r14b,%r14b 33: 75 61 jne 0x96 35: 41 f7 c6 00 ff 00 00 test $0xff00,%r14d 3c: 75 5d jne 0x9b 3e: 41 rex.B 3f: f7 .byte 0xf7