tls_set_device_offload_rx: netdev lo with no TLS offload watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.0:10757] Modules linked in: irq event stamp: 2410965 hardirqs last enabled at (2410964): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2410965): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2363136): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2363139): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2363139): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 10757 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_is_held_type+0x17a/0x210 kernel/locking/lockdep.c:3948 Code: 00 00 00 00 fc ff df c7 85 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 75 63 48 83 3d 45 cc a6 08 00 74 2c 48 89 df 57 9d <0f> 1f 44 00 00 48 83 c4 08 44 89 e0 5b 5d 41 5c c3 48 83 c4 08 41 RSP: 0018:ffff8880ba107ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 00000000ffffffff RDI: 0000000000000286 RBP: ffff888211b70580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff11017420fa7 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a68402fc0 CR3: 00000002096ce000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_is_held include/linux/lockdep.h:344 [inline] rcu_read_lock_sched_held+0x16c/0x1d0 kernel/rcu/update.c:118 trace_timer_expire_entry include/trace/events/timer.h:90 [inline] call_timer_fn+0x65d/0x700 kernel/time/timer.c:1337 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:mm_update_next_owner+0x3ca/0x650 kernel/exit.c:452 Code: 03 00 00 48 89 f8 48 c1 e8 03 80 3c 18 00 0f 85 52 02 00 00 48 8b ad 30 03 00 00 4c 8d 6d 10 4c 89 e8 48 c1 e8 03 80 3c 18 00 <0f> 85 29 02 00 00 48 8b 45 10 48 8d a8 70 fa ff ff 49 39 c5 75 47 RSP: 0018:ffff888208a8fa98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff1100a57f59a RBX: dffffc0000000000 RCX: ffffffff8138bd9e RDX: 0000000000000000 RSI: ffffffff8138bdac RDI: ffff88805547ed00 RBP: ffff888052bfacc0 R08: ffff8880570005a0 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b4d24580 R13: ffff888052bfacd0 R14: ffff888211b70580 R15: ffff8880b4b21780 exit_mm kernel/exit.c:548 [inline] do_exit+0xae4/0x2be0 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: 0033:0x7f7a69c3c631 Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00 RSP: 002b:00007ffdce985e58 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: fffffffffffffffc RBX: 00007f7a683c1700 RCX: 00007f7a69c3c631 RDX: 00007f7a683c19d0 RSI: 00007f7a683c12f0 RDI: 00000000003d0f00 RBP: 00007ffdce9860a0 R08: 00007f7a683c1700 R09: 00007f7a683c1700 R10: 00007f7a683c19d0 R11: 0000000000000206 R12: 00007ffdce985f0e R13: 00007ffdce985f0f R14: 00007f7a683c1300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 10762 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:queued_write_lock_slowpath+0x11f/0x290 kernel/locking/qrwlock.c:88 Code: 03 41 83 e7 07 4c 8d 2c 02 41 83 c7 03 41 0f b6 45 00 41 38 c7 7c 08 84 c0 0f 85 34 01 00 00 8b 03 3d 00 01 00 00 74 1a f3 90 <41> 0f b6 45 00 41 38 c7 7c eb 84 c0 74 e7 48 89 df e8 ab 62 4c 00 RSP: 0018:ffff888208a6fa40 EFLAGS: 00000006 RAX: 0000000000000300 RBX: ffffffff89e09080 RCX: ffffffff814bfec6 RDX: 1ffffffff13c1210 RSI: 0000000000000004 RDI: ffffffff89e09080 RBP: 1ffff1104114df49 R08: 0000000000000001 R09: fffffbfff13c1210 R10: ffffffff89e09083 R11: 0000000000000000 R12: ffffffff89e09084 R13: fffffbfff13c1210 R14: ffff888208a6fa68 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fc22000 CR3: 00000002096ce000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: queued_write_lock include/asm-generic/qrwlock.h:103 [inline] do_raw_write_lock+0xcf/0x1e0 kernel/locking/spinlock_debug.c:203 exit_notify kernel/exit.c:715 [inline] do_exit+0xc41/0x2be0 kernel/exit.c:890 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+0x3f0/0x4a0 arch/x86/entry/common.c:271 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:407 RIP: 0033:0x7f7a69c3c631 Code: 48 85 ff 74 3d 48 85 f6 74 38 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 7c 13 74 01 c3 31 ed 58 5f ff d0 48 89 c7 b8 3c 00 00 00 RSP: 002b:00007f7a6852c2f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: 0000000000000000 RBX: 00007f7a6852c700 RCX: 00007f7a69c3c631 RDX: 00007f7a6852c9d0 RSI: 00007f7a6852c2f0 RDI: 00000000003d0f00 RBP: 00007ffdce9860a0 R08: 00007f7a6852c700 R09: 00007f7a6852c700 R10: 00007f7a6852c9d0 R11: 0000000000000206 R12: 00007ffdce985f0e R13: 00007ffdce985f0f R14: 00007f7a6852c300 R15: 0000000000022000