audit: type=1804 audit(1638082395.068:128): pid=22967 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir322384784/syzkaller.ELFncN/133/bus" dev="sda1" ino=14278 res=1 wlan1: RX AssocResp from 08:02:11:00:00:00 (capab=0x1 status=0 aid=1) WARNING: CPU: 0 PID: 10985 at include/net/mac80211.h:5720 rate_lowest_index include/net/mac80211.h:5720 [inline] WARNING: CPU: 0 PID: 10985 at include/net/mac80211.h:5720 minstrel_rate_init+0x1e2/0x1540 net/mac80211/rc80211_minstrel.c:480 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 10985 Comm: kworker/u4:9 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 sch_tbf: burst 0 is lower than device lo mtu (65550) ! Workqueue: phy12 ieee80211_iface_work 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 audit: type=1804 audit(1638082395.098:129): pid=22967 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir322384784/syzkaller.ELFncN/133/bus" dev="sda1" ino=14278 res=1 __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_lowest_index include/net/mac80211.h:5720 [inline] RIP: 0010:minstrel_rate_init+0x1e2/0x1540 net/mac80211/rc80211_minstrel.c:480 Code: 94 75 b0 f9 4d 85 f6 0f 85 f8 0f 00 00 e8 f6 73 b0 f9 41 83 c4 01 89 de 44 89 e7 e8 d8 74 b0 f9 41 39 dc 75 c3 e8 de 73 b0 f9 <0f> 0b 31 db 45 31 e4 eb 13 48 8b 44 24 30 31 db 45 31 e4 48 83 c0 RSP: 0018:ffff888045797370 EFLAGS: 00010293 RAX: ffff88809c052000 RBX: 000000000000000c RCX: ffffffff87b21188 RDX: 0000000000000000 RSI: ffffffff87b21192 RDI: 0000000000000004 RBP: ffff88804ab1b560 R08: ffff888090e28700 R09: 000000000000000c R10: 0000000000000004 R11: 0000000000074071 R12: 000000000000000c print_req_error: 95 callbacks suppressed print_req_error: I/O error, dev loop0, sector 0 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888090e28700 print_req_error: I/O error, dev loop0, sector 229217 minstrel_ht_update_caps+0xf66/0x12e0 net/mac80211/rc80211_minstrel_ht.c:1279 print_req_error: I/O error, dev loop0, sector 0 rate_control_rate_init+0x2b3/0x4f0 net/mac80211/rate.c:58 ieee80211_assoc_success+0x161b/0x2b8a net/mac80211/mlme.c:3311 buffer_io_error: 80 callbacks suppressed Buffer I/O error on dev loop0p2, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 ieee80211_rx_mgmt_assoc_resp net/mac80211/mlme.c:3476 [inline] ieee80211_sta_rx_queued_mgmt.cold+0x12a6/0x1dfd net/mac80211/mlme.c:3965 Buffer I/O error on dev loop0p2, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 ieee80211_iface_work+0x5ad/0x8a0 net/mac80211/iface.c:1338 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 Buffer I/O error on dev loop0p2, logical block 0, async page read kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium Kernel Offset: disabled Rebooting in 86400 seconds..