syzbot


WARNING in mac80211_hwsim_tx

Status: upstream: reported on 2024/12/17 17:48
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+433ee38d8684adcfbeb9@syzkaller.appspotmail.com
First crash: 66d, last: 5d14h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in mac80211_hwsim_tx 0 (1) 2024/12/17 17:48

Sample crash report:
------------[ cut here ]------------
Invalid VIF (ffff8880124829d0) magic 0x0, 08:02:11:00:00:01, 1/0
WARNING: CPU: 0 PID: 5301 at drivers/net/wireless/virtual/mac80211_hwsim.c:237 hwsim_check_magic drivers/net/wireless/virtual/mac80211_hwsim.c:235 [inline]
WARNING: CPU: 0 PID: 5301 at drivers/net/wireless/virtual/mac80211_hwsim.c:237 mac80211_hwsim_tx+0x1b6f/0x23c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2026
Modules linked in:
CPU: 0 UID: 0 PID: 5301 Comm: kworker/0:3 Not tainted 6.13.0-syzkaller-04541-gdf60eac9efe8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: mld mld_ifc_work
RIP: 0010:hwsim_check_magic drivers/net/wireless/virtual/mac80211_hwsim.c:235 [inline]
RIP: 0010:mac80211_hwsim_tx+0x1b6f/0x23c0 drivers/net/wireless/virtual/mac80211_hwsim.c:2026
Code: 28 84 c0 0f 85 06 08 00 00 45 0f b6 8e 61 04 00 00 48 c7 c7 60 d6 a9 8c 4c 89 f6 44 89 e2 48 89 e9 41 89 d8 e8 f2 c8 49 fa 90 <0f> 0b 90 90 e9 69 f2 ff ff e8 03 16 89 fa 90 0f 0b 90 e9 d5 f2 ff
RSP: 0018:ffffc9000d20eb70 EFLAGS: 00010246
RAX: c88974db876d8200 RBX: 0000000000000001 RCX: ffff88801fa1c880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888012482e2a R08: ffffffff81603132 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8880124829d0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002280 CR3: 0000000042bda000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 drv_tx net/mac80211/driver-ops.h:37 [inline]
 wake_tx_push_queue net/mac80211/util.c:298 [inline]
 ieee80211_handle_wake_tx_queue+0x1ae/0x2d0 net/mac80211/util.c:315
 drv_wake_tx_queue net/mac80211/driver-ops.h:1366 [inline]
 schedule_and_wake_txq net/mac80211/driver-ops.h:1373 [inline]
 ieee80211_queue_skb+0x1ae9/0x24b0 net/mac80211/tx.c:1664
 ieee80211_tx+0x2c4/0x470 net/mac80211/tx.c:1967
 __ieee80211_subif_start_xmit+0xe93/0x1600 net/mac80211/tx.c:4339
 ieee80211_subif_start_xmit+0xde/0x4d0 net/mac80211/tx.c:4533
 __netdev_start_xmit include/linux/netdevice.h:5144 [inline]
 netdev_start_xmit include/linux/netdevice.h:5153 [inline]
 xmit_one net/core/dev.c:3735 [inline]
 dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3751
 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4584
 neigh_output include/net/neighbour.h:539 [inline]
 ip6_finish_output2+0x12ad/0x1780 net/ipv6/ip6_output.c:141
 ip6_finish_output+0x41e/0x840 net/ipv6/ip6_output.c:226
 NF_HOOK+0x9e/0x430 include/linux/netfilter.h:314
 mld_sendpack+0x843/0xdb0 net/ipv6/mcast.c:1862
 mld_send_cr net/ipv6/mcast.c:2163 [inline]
 mld_ifc_work+0x7d9/0xd90 net/ipv6/mcast.c:2697
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
 worker_thread+0x870/0xd30 kernel/workqueue.c:3398
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (37):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/23 09:02 upstream df60eac9efe8 9d4f14f8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in mac80211_hwsim_tx
2025/02/09 09:37 upstream 9946eaf552b1 ef44b750 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/02/09 09:35 upstream 9946eaf552b1 ef44b750 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/02/09 02:51 upstream 9946eaf552b1 ef44b750 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/02/07 15:00 upstream bb066fe812d6 a4f327c2 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/02/04 23:15 upstream d009de7d5428 44c01590 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/01/30 12:55 upstream 72deda0abee6 e961d16c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/01/26 06:41 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in mac80211_hwsim_tx
2025/02/12 20:50 net e589adf5b70c b27c2402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/08 16:40 net cb827db50a88 ef44b750 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/07 12:17 net 1438f5d07b9a a4f327c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/06 23:48 net 2a64c96356c8 53657d1b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/04 19:31 net 4241a702e0d0 4baca3d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/04 01:03 net 235174b2bed8 a21a8419 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/03 00:06 net 3f1baa91a1fd 568559e4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2024/12/14 09:34 net 429fde2d81bc 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in mac80211_hwsim_tx
2025/02/06 04:06 net-next 0bea93fdbaf8 577d049b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/30 06:31 net-next 0ad9617c78ac afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/28 06:37 net-next 0ad9617c78ac 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/27 22:04 net-next 0ad9617c78ac 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/27 22:02 net-next 0ad9617c78ac 18070896 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/27 09:09 net-next 0ad9617c78ac 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/26 05:38 net-next 0ad9617c78ac 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/23 23:12 net-next 0ad9617c78ac f6a35ef3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/23 16:12 net-next 0ad9617c78ac f6a35ef3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/23 09:22 net-next 0ad9617c78ac 9d4f14f8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/07 10:01 net-next 286bb9985f36 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/07 09:08 net-next 286bb9985f36 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/06 05:25 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/05 11:30 net-next 3e5908172c05 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/03 20:33 net-next 3fff5da4ca21 f3558dbf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/03 08:57 net-next bb70b0d48d8e d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2024/12/31 08:32 net-next 9268abe611b0 d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2024/12/25 03:57 net-next 9268abe611b0 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in mac80211_hwsim_tx
2025/01/26 06:09 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in mac80211_hwsim_tx
2025/01/26 06:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in mac80211_hwsim_tx
2025/01/26 06:08 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 1950a0af2d55 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in mac80211_hwsim_tx
* Struck through repros no longer work on HEAD.