------------[ cut here ]------------ ====================================================== WARNING: possible circular locking dependency detected 6.8.0-syzkaller-05236-g443574b03387 #0 Not tainted ------------------------------------------------------ syz-executor.2/5858 is trying to acquire lock: ffffffff8e125be0 (console_owner){-.-.}-{0:0}, at: console_trylock_spinning kernel/printk/printk.c:1951 [inline] ffffffff8e125be0 (console_owner){-.-.}-{0:0}, at: vprintk_emit+0x33e/0x720 kernel/printk/printk.c:2291 but task is already holding lock: ffff8880b942c8d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1696 [inline] ffff8880b942c8d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x65a/0xd00 kernel/time/hrtimer.c:1756 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (hrtimer_bases.lock){-.-.}-{2:2}: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 lock_hrtimer_base kernel/time/hrtimer.c:175 [inline] hrtimer_start_range_ns+0xdf/0xc60 kernel/time/hrtimer.c:1303 rpm_suspend+0x1725/0x1c10 drivers/base/power/runtime.c:605 __pm_runtime_idle+0x131/0x1a0 drivers/base/power/runtime.c:1103 pm_runtime_put include/linux/pm_runtime.h:460 [inline] __device_attach+0x3e5/0x520 drivers/base/dd.c:1048 bus_probe_device+0x189/0x260 drivers/base/bus.c:532 device_add+0x8ff/0xca0 drivers/base/core.c:3639 serdev_controller_add+0x2f/0x4b0 drivers/tty/serdev/core.c:782 serdev_tty_port_register+0x163/0x260 drivers/tty/serdev/serdev-ttyport.c:302 tty_port_register_device_attr_serdev+0xe1/0x160 drivers/tty/tty_port.c:191 serial_core_add_one_port drivers/tty/serial/serial_core.c:3191 [inline] serial_core_register_port+0xee0/0x1e30 drivers/tty/serial/serial_core.c:3398 serial8250_register_8250_port+0x1433/0x1cd0 drivers/tty/serial/8250/8250_core.c:1138 serial_pnp_probe+0x7d5/0xa20 drivers/tty/serial/8250/8250_pnp.c:478 pnp_device_probe+0x2ba/0x460 drivers/pnp/driver.c:111 really_probe+0x29e/0xc50 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x3e0 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __driver_attach+0x45f/0x710 drivers/base/dd.c:1216 bus_for_each_dev+0x239/0x2b0 drivers/base/bus.c:368 bus_add_driver+0x347/0x620 drivers/base/bus.c:673 driver_register+0x23a/0x320 drivers/base/driver.c:246 serial8250_init+0x9e/0x170 drivers/tty/serial/8250/8250_core.c:1239 do_one_initcall+0x238/0x830 init/main.c:1241 do_initcall_level+0x157/0x210 init/main.c:1303 do_initcalls+0x3f/0x80 init/main.c:1319 kernel_init_freeable+0x435/0x5d0 init/main.c:1557 kernel_init+0x1d/0x2a0 init/main.c:1446 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 -> #2 (&dev->power.lock){-...}-{2:2}: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 __pm_runtime_resume+0x112/0x180 drivers/base/power/runtime.c:1170 pm_runtime_get include/linux/pm_runtime.h:408 [inline] __uart_start+0x17a/0x3c0 drivers/tty/serial/serial_core.c:148 uart_write+0x427/0x5c0 drivers/tty/serial/serial_core.c:615 process_output_block drivers/tty/n_tty.c:574 [inline] n_tty_write+0xd6a/0x1230 drivers/tty/n_tty.c:2379 iterate_tty_write drivers/tty/tty_io.c:1021 [inline] file_tty_write+0x54f/0x9b0 drivers/tty/tty_io.c:1096 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa84/0xcb0 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 -> #1 (&port_lock_key){-.-.}-{2:2}: lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 uart_port_lock_irqsave include/linux/serial_core.h:616 [inline] serial8250_console_write+0x1a8/0x1840 drivers/tty/serial/8250/8250_port.c:3403 console_emit_next_record kernel/printk/printk.c:2890 [inline] console_flush_all+0x80b/0xec0 kernel/printk/printk.c:2956 console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3025 vprintk_emit+0x509/0x720 kernel/printk/printk.c:2292 _printk+0xd5/0x120 kernel/printk/printk.c:2317 register_console+0x70a/0xcd0 kernel/printk/printk.c:3531 univ8250_console_init+0x49/0x50 drivers/tty/serial/8250/8250_core.c:717 console_init+0x198/0x680 kernel/printk/printk.c:3677 start_kernel+0x2d3/0x500 init/main.c:1012 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:509 x86_64_start_kernel+0x99/0xa0 arch/x86/kernel/head64.c:490 common_startup_64+0x13e/0x147 -> #0 (console_owner){-.-.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 console_trylock_spinning kernel/printk/printk.c:1951 [inline] vprintk_emit+0x35b/0x720 kernel/printk/printk.c:2291 _printk+0xd5/0x120 kernel/printk/printk.c:2317 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x3e/0x70 arch/x86/kernel/traps.c:239 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:260 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 spin_unlock_bh include/linux/spinlock.h:396 [inline] __sock_map_delete net/core/sock_map.c:424 [inline] sock_map_delete_elem+0xca/0x140 net/core/sock_map.c:446 bpf_prog_2fc732d0a1e62e1f+0x4a/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_hrtimer_start include/trace/events/timer.h:222 [inline] debug_activate kernel/time/hrtimer.c:479 [inline] enqueue_hrtimer+0x335/0x3a0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0x6b5/0xd00 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 __ext4_new_inode+0x88f/0x4360 fs/ext4/ialloc.c:995 ext4_create+0x279/0x550 fs/ext4/namei.c:2830 lookup_open fs/namei.c:3498 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0x1425/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 other info that might help us debug this: Chain exists of: console_owner --> &dev->power.lock --> hrtimer_bases.lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(hrtimer_bases.lock); lock(&dev->power.lock); lock(hrtimer_bases.lock); lock(console_owner); *** DEADLOCK *** 4 locks held by syz-executor.2/5858: #0: ffff88802efe8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409 #1: ffff8880619ff200 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:793 [inline] #1: ffff8880619ff200 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: open_last_lookups fs/namei.c:3564 [inline] #1: ffff8880619ff200 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x7d3/0x3240 fs/namei.c:3797 #2: ffff8880b942c8d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __run_hrtimer kernel/time/hrtimer.c:1696 [inline] #2: ffff8880b942c8d8 (hrtimer_bases.lock){-.-.}-{2:2}, at: __hrtimer_run_queues+0x65a/0xd00 kernel/time/hrtimer.c:1756 #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #3: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x114/0x420 kernel/trace/bpf_trace.c:2420 stack backtrace: CPU: 0 PID: 5858 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2187 check_prev_add kernel/locking/lockdep.c:3134 [inline] check_prevs_add kernel/locking/lockdep.c:3253 [inline] validate_chain+0x18cb/0x58e0 kernel/locking/lockdep.c:3869 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754 console_trylock_spinning kernel/printk/printk.c:1951 [inline] vprintk_emit+0x35b/0x720 kernel/printk/printk.c:2291 _printk+0xd5/0x120 kernel/printk/printk.c:2317 __report_bug lib/bug.c:195 [inline] report_bug+0x346/0x500 lib/bug.c:219 handle_bug+0x3e/0x70 arch/x86/kernel/traps.c:239 exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:260 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621 RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c e1 86 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc90000007a80 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff92000000f54 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fa99a RBP: ffffc90000007b40 R08: ffff8880540969eb R09: 1ffff1100a812d3d R10: dffffc0000000000 R11: ffffed100a812d3e R12: dffffc0000000000 R13: ffff888055549700 R14: ffffc90000007ac0 R15: 0000000000000201 spin_unlock_bh include/linux/spinlock.h:396 [inline] __sock_map_delete net/core/sock_map.c:424 [inline] sock_map_delete_elem+0xca/0x140 net/core/sock_map.c:446 bpf_prog_2fc732d0a1e62e1f+0x4a/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_hrtimer_start include/trace/events/timer.h:222 [inline] debug_activate kernel/time/hrtimer.c:479 [inline] enqueue_hrtimer+0x335/0x3a0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0x6b5/0xd00 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__ext4_new_inode+0x88f/0x4360 fs/ext4/ialloc.c:995 Code: 48 8b 44 24 68 4c 8d b0 78 03 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 39 61 a4 ff 85 db 75 60 49 83 3e 00 <74> 5a 48 8b 84 24 d0 00 00 00 42 0f b6 04 20 84 c0 0f 85 c6 31 00 RSP: 0018:ffffc900138a7600 EFLAGS: 00000286 RAX: 1ffff11005dfd46f RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff8880666fda00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900138a77e8 R08: ffffffff8253d668 R09: 0000000000000000 R10: ffffc900138a7540 R11: fffff52002714eab R12: dffffc0000000000 R13: 1ffff92002714ee0 R14: ffff88802efea378 R15: ffff888061a6d2b0 ext4_create+0x279/0x550 fs/ext4/namei.c:2830 lookup_open fs/namei.c:3498 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0x1425/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7efe17a7dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007efe175ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efe17babf80 RCX: 00007efe17a7dea9 RDX: 000000000000275a RSI: 0000000020000400 RDI: ffffffffffffff9c RBP: 00007efe17aca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007efe17babf80 R15: 00007ffd7aaa2f68 WARNING: CPU: 0 PID: 5858 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 Modules linked in: CPU: 0 PID: 5858 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c e1 86 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc90000007a80 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff92000000f54 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff895fa99a RBP: ffffc90000007b40 R08: ffff8880540969eb R09: 1ffff1100a812d3d R10: dffffc0000000000 R11: ffffed100a812d3e R12: dffffc0000000000 R13: ffff888055549700 R14: ffffc90000007ac0 R15: 0000000000000201 FS: 00007efe175ff6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30922000 CR3: 0000000024b0e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: spin_unlock_bh include/linux/spinlock.h:396 [inline] __sock_map_delete net/core/sock_map.c:424 [inline] sock_map_delete_elem+0xca/0x140 net/core/sock_map.c:446 bpf_prog_2fc732d0a1e62e1f+0x4a/0x4e bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:650 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x375/0x420 kernel/trace/bpf_trace.c:2420 trace_hrtimer_start include/trace/events/timer.h:222 [inline] debug_activate kernel/time/hrtimer.c:479 [inline] enqueue_hrtimer+0x335/0x3a0 kernel/time/hrtimer.c:1090 __run_hrtimer kernel/time/hrtimer.c:1709 [inline] __hrtimer_run_queues+0x6b5/0xd00 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__ext4_new_inode+0x88f/0x4360 fs/ext4/ialloc.c:995 Code: 48 8b 44 24 68 4c 8d b0 78 03 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 39 61 a4 ff 85 db 75 60 49 83 3e 00 <74> 5a 48 8b 84 24 d0 00 00 00 42 0f b6 04 20 84 c0 0f 85 c6 31 00 RSP: 0018:ffffc900138a7600 EFLAGS: 00000286 RAX: 1ffff11005dfd46f RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffff8880666fda00 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900138a77e8 R08: ffffffff8253d668 R09: 0000000000000000 R10: ffffc900138a7540 R11: fffff52002714eab R12: dffffc0000000000 R13: 1ffff92002714ee0 R14: ffff88802efea378 R15: ffff888061a6d2b0 ext4_create+0x279/0x550 fs/ext4/namei.c:2830 lookup_open fs/namei.c:3498 [inline] open_last_lookups fs/namei.c:3567 [inline] path_openat+0x1425/0x3240 fs/namei.c:3797 do_filp_open+0x235/0x490 fs/namei.c:3827 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1433 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7efe17a7dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007efe175ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efe17babf80 RCX: 00007efe17a7dea9 RDX: 000000000000275a RSI: 0000000020000400 RDI: ffffffffffffff9c RBP: 00007efe17aca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007efe17babf80 R15: 00007ffd7aaa2f68 irq event stamp: 815 hardirqs last enabled at (814): [] native_save_fl arch/x86/include/asm/irqflags.h:19 [inline] hardirqs last enabled at (814): [] arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline] hardirqs last enabled at (814): [] arch_irqs_disabled arch/x86/include/asm/irqflags.h:127 [inline] hardirqs last enabled at (814): [] seqcount_lockdep_reader_access+0x157/0x220 include/linux/seqlock.h:74 hardirqs last disabled at (815): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (815): [] _raw_spin_lock_irq+0xad/0x120 kernel/locking/spinlock.c:170 softirqs last enabled at (710): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (710): [] bpf_link_settle+0x81/0x150 kernel/bpf/syscall.c:3181 softirqs last disabled at (791): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (791): [] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 48 8b 44 24 68 mov 0x68(%rsp),%rax 5: 4c 8d b0 78 03 00 00 lea 0x378(%rax),%r14 c: 4c 89 f0 mov %r14,%rax f: 48 c1 e8 03 shr $0x3,%rax 13: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 18: 74 08 je 0x22 1a: 4c 89 f7 mov %r14,%rdi 1d: e8 39 61 a4 ff call 0xffa4615b 22: 85 db test %ebx,%ebx 24: 75 60 jne 0x86 26: 49 83 3e 00 cmpq $0x0,(%r14) * 2a: 74 5a je 0x86 <-- trapping instruction 2c: 48 8b 84 24 d0 00 00 mov 0xd0(%rsp),%rax 33: 00 34: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax 39: 84 c0 test %al,%al 3b: 0f .byte 0xf 3c: 85 c6 test %eax,%esi 3e: 31 00 xor %eax,(%rax)