wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ no supported rates (0xffffffff) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 1 PID: 323 at net/mac80211/rate.c:359 __rate_control_send_low+0x4bb/0x580 net/mac80211/rate.c:359 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 323 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: bat_events batadv_nc_worker Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:__rate_control_send_low+0x4bb/0x580 net/mac80211/rate.c:359 Code: 0f 85 d6 00 00 00 48 8b 44 24 18 44 8b 24 a8 e8 9b 42 c6 f9 8b 54 24 24 44 89 e9 44 89 e6 48 c7 c7 80 98 67 89 e8 6a 7a 56 00 <0f> 0b e9 03 fe ff ff e8 79 42 c6 f9 41 83 cd 10 e9 32 fc ff ff e8 RSP: 0018:ffff8880ba106db8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88809de91468 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff814dff01 RDI: ffffed1017420da9 RBP: ffff888045555888 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffffff R13: 0000000000000000 R14: 000000000000000c R15: 0000000000000000 rate_control_send_low+0x272/0x610 net/mac80211/rate.c:383 minstrel_ht_get_rate+0x58/0x1510 net/mac80211/rc80211_minstrel_ht.c:1045 rate_control_get_rate+0x43c/0x520 net/mac80211/rate.c:910 ieee80211_tx_h_rate_ctrl+0x8b9/0x1450 net/mac80211/tx.c:751 invoke_tx_handlers_early+0x84f/0x1f90 net/mac80211/tx.c:1758 ieee80211_tx+0x283/0x3e0 net/mac80211/tx.c:1902 ieee80211_xmit+0x380/0x480 net/mac80211/tx.c:2003 __ieee80211_subif_start_xmit+0x51b/0x970 net/mac80211/tx.c:3728 ieee80211_subif_start_xmit+0xeb/0xf10 net/mac80211/tx.c:3864 __netdev_start_xmit include/linux/netdevice.h:4349 [inline] netdev_start_xmit include/linux/netdevice.h:4363 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272 sch_direct_xmit+0x2d6/0xf70 net/sched/sch_generic.c:332 qdisc_restart net/sched/sch_generic.c:395 [inline] __qdisc_run+0x4d0/0x1640 net/sched/sch_generic.c:403 qdisc_run include/net/pkt_sched.h:120 [inline] __dev_xmit_skb net/core/dev.c:3451 [inline] __dev_queue_xmit+0x2102/0x2e00 net/core/dev.c:3807 neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] mld_sendpack+0x674/0x1060 net/ipv6/mcast.c:1681 mld_send_cr net/ipv6/mcast.c:1977 [inline] mld_ifc_timer_expire+0x616/0xdf0 net/ipv6/mcast.c:2476 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 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:kasan_mem_to_shadow include/linux/kasan.h:28 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:211 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0x38/0x170 mm/kasan/kasan.c:267 Code: ff ff 7f ff ff 44 0f b6 c2 48 39 c7 0f 86 20 01 00 00 4c 8d 54 37 ff 41 54 48 b8 00 00 00 00 00 fc ff df 4d 89 d1 55 48 89 fd <49> c1 e9 03 48 c1 ed 03 53 49 01 c1 48 01 c5 49 8d 59 01 48 89 e8 RSP: 0018:ffff888047317c78 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff8880ba122ac0 RCX: ffffffff81518c83 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ba122ad0 RBP: ffff8880ba122ad0 R08: 0000000000000000 R09: ffff8880ba122ad3 R10: ffff8880ba122ad3 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 00000000000003de R15: ffff8880a4503c00 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_lock include/linux/rcupdate.h:628 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x8ef/0xd50 net/batman-adv/network-coding.c:730 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 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess), 5 bytes skipped: 0: 44 0f b6 c2 movzbl %dl,%r8d 4: 48 39 c7 cmp %rax,%rdi 7: 0f 86 20 01 00 00 jbe 0x12d d: 4c 8d 54 37 ff lea -0x1(%rdi,%rsi,1),%r10 12: 41 54 push %r12 14: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1b: fc ff df 1e: 4d 89 d1 mov %r10,%r9 21: 55 push %rbp 22: 48 89 fd mov %rdi,%rbp * 25: 49 c1 e9 03 shr $0x3,%r9 <-- trapping instruction 29: 48 c1 ed 03 shr $0x3,%rbp 2d: 53 push %rbx 2e: 49 01 c1 add %rax,%r9 31: 48 01 c5 add %rax,%rbp 34: 49 8d 59 01 lea 0x1(%r9),%rbx 38: 48 89 e8 mov %rbp,%rax