ieee80211_register_hw+0x13be/0x3550 net/mac80211/main.c:1106
 mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896
WARNING: CPU: 0 PID: 17341 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline]
WARNING: CPU: 0 PID: 17341 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420
Kernel panic - not syncing: panic_on_warn set ...

 hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374
 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efccc95c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efccaece168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007efccca7bf80 RCX: 00007efccc95c0d9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007efccc9b7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe49ba69df R14: 00007efccaece300 R15: 0000000000022000
CPU: 0 PID: 17341 Comm: segctord Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
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
sysfs: cannot create duplicate filename '/class/ieee80211/©,í…×;qO!'
 __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:inode_to_wb include/linux/backing-dev.h:340 [inline]
RIP: 0010:account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420
Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d
RSP: 0018:ffff88804274f868 EFLAGS: 00010093
RAX: ffff8880427d23c0 RBX: 0000000000000000 RCX: ffffffff817fd2ef
RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005
RBP: ffff88801c4e1b48 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffffea0002d39d00
R13: ffff88801c4e19c0 R14: ffff88801c4e1838 R15: ffffea0002d39d08
 __set_page_dirty+0x7f/0x3e0 fs/buffer.c:582
 mark_buffer_dirty+0x424/0x5c0 fs/buffer.c:1111
 nilfs_btree_propagate_p fs/nilfs2/btree.c:1890 [inline]
 nilfs_btree_propagate+0x728/0xd80 fs/nilfs2/btree.c:2086
 nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337
 nilfs_collect_dat_data+0x45/0xd0 fs/nilfs2/segment.c:630
 nilfs_segctor_apply_buffers+0x14a/0x490 fs/nilfs2/segment.c:1014
 nilfs_segctor_scan_file+0x475/0x6f0 fs/nilfs2/segment.c:1053
 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1225 [inline]
 nilfs_segctor_collect fs/nilfs2/segment.c:1494 [inline]
 nilfs_segctor_do_construct+0x1562/0x8360 fs/nilfs2/segment.c:2036
 nilfs_segctor_construct+0x764/0xae0 fs/nilfs2/segment.c:2372
 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline]
 nilfs_segctor_thread+0x3cb/0xf50 fs/nilfs2/segment.c:2563
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
CPU: 1 PID: 17319 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 sysfs_warn_dup.cold+0x1c/0x29 fs/sysfs/dir.c:30
 sysfs_do_create_link_sd+0x116/0x130 fs/sysfs/symlink.c:50
 sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
 sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:91
 device_add_class_symlinks drivers/base/core.c:1934 [inline]
 device_add+0x7d1/0x16d0 drivers/base/core.c:2136
 wiphy_register+0x1664/0x2130 net/wireless/core.c:832
 ieee80211_register_hw+0x13be/0x3550 net/mac80211/main.c:1106
 mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896
 hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374
 genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
 genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
 netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcba142a0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb9f99c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fcba1549f80 RCX: 00007fcba142a0d9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007fcba1485ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdcca2e27f R14: 00007fcb9f99c300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..