8021q: adding VLAN 0 to HW filter on device batadv1246 FAT-fs (loop2): Directory bread(block 6) failed aoe: packet could not be sent on wpan0. consider increasing tx_queue_len ieee802154 phy1 wpan1: encryption failed: -22 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.3:25754] Modules linked in: irq event stamp: 5514811 hardirqs last enabled at (5514810): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (5514810): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (5514811): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (5415214): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (5415217): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (5415217): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 25754 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192 Code: c0 98 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d 01 31 d8 01 00 74 25 fb 66 0f 1f 44 00 00 01 00 00 00 e8 26 1b 28 f9 65 8b 05 9f 8d e8 77 85 c0 74 02 5d RSP: 0018:ffff8880ba107de0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff110042dc985 RDX: dffffc0000000000 RSI: ffff8880216e4c30 RDI: ffff8880216e4c04 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8688f6d0 R13: ffff8880ba122b40 R14: ffff8880ba107e78 R15: 0000000000000000 FS: 00007f5809867700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4275e85058 CR3: 000000009a65f000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: expire_timers+0x238/0x4e0 kernel/time/timer.c:1374 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:arch_atomic_add_negative arch/x86/include/asm/atomic.h:154 [inline] RIP: 0010:atomic_add_negative include/asm-generic/atomic-instrumented.h:398 [inline] RIP: 0010:page_remove_file_rmap+0x99/0xa30 mm/rmap.c:1232 Code: c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f e9 e0 14 0f 00 e8 3b d4 d2 ff 49 8d 7e 30 be 04 00 00 00 e8 ad 9d 08 00 f0 41 83 46 30 ff <0f> 98 c3 31 ff 89 de e8 4b d5 d2 ff 84 db 74 bc 41 bd ff ff ff ff RSP: 0018:ffff88821d30f700 EFLAGS: 00000213 ORIG_RAX: ffffffffffffff13 RAX: fffff940004a9977 RBX: 0000000000000000 RCX: ffffffff818fb143 RDX: fffff940004a9977 RSI: 0000000000000004 RDI: ffffea000254cbb0 RBP: ffffea000254cb80 R08: 0000000000000001 R09: fffff940004a9976 R10: ffffea000254cbb3 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea000254cb80 R15: 00007f580a318000 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f580aef2279 Code: Bad RIP value. RSP: 002b:00007f5809867168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: fffffffffffffff2 RBX: 00007f580b004f80 RCX: 00007f580aef2279 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000004dd2 RBP: 00007f580af4c189 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc1eaf53ff R14: 00007f5809867300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 11767 Comm: kworker/u4:3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Workqueue: bat_events batadv_purge_orig RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:hlist_empty include/linux/list.h:680 [inline] RIP: 0010:perf_trace_lock_acquire+0x161/0x530 include/trace/events/lock.h:13 Code: 02 00 0f 85 ea 02 00 00 49 8b 84 24 80 00 00 00 48 85 c0 75 27 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 <0f> 85 16 03 00 00 48 8b 03 48 85 c0 0f 84 fa 01 00 00 8b 85 50 ff RSP: 0018:ffff88802fe27ab8 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffe8ffffcc7000 RCX: 1ffffffff139f5e0 RDX: 1ffffd1ffff98e00 RSI: ffffffff83771e31 RDI: ffffffff89f6d4a0 RBP: ffff88802fe27ba0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff89f6d420 R13: ffff888222d07dd8 R14: 0000000000000000 R15: ffff88802fe27b78 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa67fe4f000 CR3: 000000009a65f000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x298/0x3c0 kernel/locking/lockdep.c:3907 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_purge_orig_ref+0x16d/0x1110 net/batman-adv/originator.c:1363 batadv_purge_orig+0x17/0x60 net/batman-adv/originator.c:1392 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415