RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 watchdog: BUG: soft lockup - CPU#1 stuck for 246s! [kworker/1:1:27] Modules linked in: irq event stamp: 150319 hardirqs last enabled at (150318): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 hardirqs last disabled at (150319): [] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1109 softirqs last enabled at (25436): [] xt_write_recseq_end include/linux/netfilter/x_tables.h:397 [inline] softirqs last enabled at (25436): [] ip6t_do_table+0xcfa/0x1d20 net/ipv6/netfilter/ip6_tables.c:374 softirqs last disabled at (25446): [] __dev_queue_xmit+0x253/0x3f20 net/core/dev.c:4120 CPU: 1 PID: 27 Comm: kworker/1:1 Not tainted 6.5.0-rc2-syzkaller-00019-g74f1456c4a5f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: mld mld_ifc_work RIP: 0010:get_packet_txtime net/sched/sch_taprio.c:528 [inline] RIP: 0010:taprio_enqueue_one+0x93e/0x1640 net/sched/sch_taprio.c:577 Code: 48 89 44 24 28 e8 02 5f 2c f9 48 8b 44 24 28 48 39 c5 0f 8f 8a 0a 00 00 e8 df 63 2c f9 48 63 5c 24 4c 48 8b 84 24 90 00 00 00 <48> 01 eb 48 89 c6 48 89 df 48 89 44 24 28 e8 cf 5e 2c f9 48 8b 44 RSP: 0018:ffffc90000a3f3d8 EFLAGS: 00000293 RAX: 50e6cee60c987940 RBX: 000000000000002c RCX: 0000000000000000 RDX: ffff88801725bb80 RSI: ffffffff885a0da1 RDI: ffff88802bb08d58 RBP: 50e6cee60c987981 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000004e R12: 50e6cee60c987901 R13: ffff88807b7a2000 R14: ffff88802bb08c00 R15: ffff88802d01d3c0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000001ba19000 CR4: 0000000000350ee0 Call Trace: taprio_enqueue+0x239/0x7e0 net/sched/sch_taprio.c:658 dev_qdisc_enqueue+0x3f/0x230 net/core/dev.c:3732 __dev_xmit_skb net/core/dev.c:3821 [inline] __dev_queue_xmit+0x2202/0x3f20 net/core/dev.c:4169 dev_queue_xmit include/linux/netdevice.h:3088 [inline] neigh_hh_output include/net/neighbour.h:528 [inline] neigh_output include/net/neighbour.h:542 [inline] ip6_finish_output2+0x1083/0x1b20 net/ipv6/ip6_output.c:135 __ip6_finish_output net/ipv6/ip6_output.c:196 [inline] ip6_finish_output+0x485/0x11d0 net/ipv6/ip6_output.c:207 NF_HOOK_COND include/linux/netfilter.h:292 [inline] ip6_output+0x243/0x890 net/ipv6/ip6_output.c:228 dst_output include/net/dst.h:458 [inline] NF_HOOK.constprop.0+0xfd/0x540 include/linux/netfilter.h:303 mld_sendpack+0x715/0xd60 net/ipv6/mcast.c:1820 mld_send_cr net/ipv6/mcast.c:2121 [inline] mld_ifc_work+0x756/0xcd0 net/ipv6/mcast.c:2653 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5140 Comm: kworker/u4:6 Not tainted 6.5.0-rc2-syzkaller-00019-g74f1456c4a5f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_acquire+0x5c/0x5de0 kernel/locking/lockdep.c:5000 Code: 48 8d 94 24 90 00 00 00 48 c7 84 24 90 00 00 00 b3 8a b5 41 48 c1 ea 03 44 89 44 24 10 44 8b b4 24 68 01 00 00 48 89 54 24 28 <48> 01 ca 48 c7 84 24 98 00 00 00 b0 a4 15 8c 48 89 44 24 20 48 c7 RSP: 0018:ffffc90005047958 EFLAGS: 00000012 RAX: 0000000000000000 RBX: 1ffff92000a08f5b RCX: dffffc0000000000 RDX: 1ffff92000a08f3d RSI: 0000000000000000 RDI: ffffffff8c9a6440 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff8c9a6440 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001b2b000 CR3: 0000000073669000 CR4: 0000000000350ef0 Call Trace: lock_acquire kernel/locking/lockdep.c:5761 [inline] lock_acquire+0x1ae/0x510 kernel/locking/lockdep.c:5726 rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:749 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x175/0x10f0 net/batman-adv/network-coding.c:719 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2597 worker_thread+0x687/0x1110 kernel/workqueue.c:2748 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000