------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 22380 ms WARNING: CPU: 0 PID: 5218 at net/sched/sch_generic.c:525 dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 5218 Comm: syz-executor.1 Not tainted 6.7.0-syzkaller-02723-gde927f6c0b07 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:dev_watchdog+0x8cd/0x8f0 net/sched/sch_generic.c:525 Code: a6 91 06 01 90 48 8b 5c 24 10 48 89 df e8 0b 32 e6 ff 45 89 e8 89 e9 48 89 de 48 89 c2 48 c7 c7 a0 0d ed 8b e8 c4 1d bb f8 90 <0f> 0b 90 90 e9 23 fd ff ff e8 25 2b f5 f8 90 0f 0b 90 e9 bc fc ff RSP: 0018:ffffc90000007be0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88801c776000 RCX: ffffffff814cf119 RDX: ffff888028e32400 RSI: ffffffff814cf126 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 572056454454454e R12: ffff8880261b2000 R13: 000000000000576c R14: ffff88801c776548 R15: 0000000100003602 FS: 0000555556c47480(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b049ad988 CR3: 0000000061b85000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x193/0x590 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x759/0xaa0 kernel/time/timer.c:2038 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2051 __do_softirq+0x21a/0x8de kernel/softirq.c:553 invoke_softirq kernel/softirq.c:427 [inline] __irq_exit_rcu kernel/softirq.c:632 [inline] irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:61 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x39/0x190 mm/kasan/generic.c:189 Code: f8 41 54 44 0f b6 c2 48 01 f0 55 53 0f 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f 83 b3 00 00 00 4c 8d 54 37 ff <48> 89 fd 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 48 c1 ed 03 49 c1 RSP: 0018:ffffc9000366f748 EFLAGS: 00000287 RAX: ffff7fffffffffff RBX: ffff8880327d86a8 RCX: ffffffff8167c28e RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffc9000366f790 RBP: 1ffff920006cdeee R08: 0000000000000001 R09: ffffed10064fb0d5 R10: ffffc9000366f793 R11: ffffffff8ace21e0 R12: ffff8880327d86b0 R13: ffff8880327d86b8 R14: 0000000000000000 R15: ffffea0000bab840 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:1295 [inline] queued_spin_lock include/asm-generic/qspinlock.h:111 [inline] do_raw_spin_lock+0x12e/0x2b0 kernel/locking/spinlock_debug.c:116 spin_lock include/linux/spinlock.h:351 [inline] try_to_free_buffers+0x14e/0x2d0 fs/buffer.c:2928 jbd2_journal_try_to_free_buffers+0x1fa/0x270 fs/jbd2/transaction.c:2182 ext4_release_folio+0x19a/0x370 fs/ext4/inode.c:3198 filemap_release_folio+0x1f1/0x270 mm/filemap.c:4086 block_invalidate_folio+0x4e5/0x5e0 fs/buffer.c:1633 folio_invalidate mm/truncate.c:158 [inline] truncate_cleanup_folio+0x2a8/0x3d0 mm/truncate.c:178 truncate_inode_pages_range+0x27b/0xf00 mm/truncate.c:358 ext4_evict_inode+0x2c7/0x1a40 fs/ext4/inode.c:193 evict+0x2ed/0x6b0 fs/inode.c:665 iput_final fs/inode.c:1776 [inline] iput.part.0+0x560/0x7b0 fs/inode.c:1802 iput+0x5c/0x80 fs/inode.c:1792 do_unlinkat+0x60f/0x740 fs/namei.c:4385 __do_sys_unlink fs/namei.c:4426 [inline] __se_sys_unlink fs/namei.c:4424 [inline] __x64_sys_unlink+0xc8/0x110 fs/namei.c:4424 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f68e9c7c4d7 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe0c062b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f68e9c7c4d7 RDX: 00007ffe0c062b40 RSI: 00007ffe0c062bd0 RDI: 00007ffe0c062bd0 RBP: 00007ffe0c062bd0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe0c063c90 R13: 00007f68e9cc83b9 R14: 0000000000070c73 R15: 0000000000000008 ---------------- Code disassembly (best guess): 0: f8 clc 1: 41 54 push %r12 3: 44 0f b6 c2 movzbl %dl,%r8d 7: 48 01 f0 add %rsi,%rax a: 55 push %rbp b: 53 push %rbx c: 0f 82 c6 00 00 00 jb 0xd8 12: 48 b8 ff ff ff ff ff movabs $0xffff7fffffffffff,%rax 19: 7f ff ff 1c: 48 39 f8 cmp %rdi,%rax 1f: 0f 83 b3 00 00 00 jae 0xd8 25: 4c 8d 54 37 ff lea -0x1(%rdi,%rsi,1),%r10 * 2a: 48 89 fd mov %rdi,%rbp <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 4d 89 d1 mov %r10,%r9 3a: 48 c1 ed 03 shr $0x3,%rbp 3e: 49 rex.WB 3f: c1 .byte 0xc1