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Date: Tue, 22 Mar 2022 10:57:08 -0700
From: syzbot <syzbot+bbea00057d3d55c4889b@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] BUG: sleeping function called from invalid context in blk_release_queue
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
00000000 R09: 0000000000000001
R10: ffffffff873c1678 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9c00000 R14: 000000000003b180 R15: ffff88806f8f8ec0
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056420cdd2db0 CR3: 000000006a719000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
napi_schedule include/linux/netdevice.h:465 [inline]
wg_queue_enqueue_per_peer_rx drivers/net/wireguard/queueing.h:204 [inline]
wg_packet_decrypt_worker+0x408/0x5d0 drivers/net/wireguard/receive.c:510
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>
[ 32.467287][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0
[ 32.481614][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 43.713954][ T27] kauditd_printk_skb: 37 callbacks suppressed
[ 43.713966][ T27] audit: type=1400 audit(1647971762.505:73): avc: denied { transition } for pid=3381 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 43.744491][ T27] audit: type=1400 audit(1647971762.535:74): avc: denied { write } for pid=3381 comm="sh" path="pipe:[718]" dev="pipefs" ino=718 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1
Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts.
2022/03/22 17:56:12 fuzzer started
2022/03/22 17:56:12 connecting to host at 10.128.0.169:44989
2022/03/22 17:56:12 checking machine...
2022/03/22 17:56:12 checking revisions...
2022/03/22 17:56:12 testing simple program...
[ 54.135544][ T27] audit: type=1400 audit(1647971772.925:75): avc: denied { getattr } for pid=3585 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 54.159389][ T27] audit: type=1400 audit(1647971772.935:76): avc: denied { read } for pid=3585 comm="syz-fuzzer" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 54.182001][ T27] audit: type=1400 audit(1647971772.935:77): avc: denied { open } for pid=3585 comm="syz-fuzzer" path="user:[4026531837]" dev="nsfs" ino=4026531837 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1
[ 54.206388][ T27] audit: type=1400 audit(1647971772.955:78): avc: denied { read } for pid=3585 comm="syz-fuzzer" name="raw-gadget" dev="devtmpfs" ino=730 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 54.211078][ T3594] cgroup: Unknown subsys name 'net'
[ 54.229939][ T27] audit: type=1400 audit(1647971772.955:79): avc: denied { open } for pid=3585 comm="syz-fuzzer" path="/dev/raw-gadget" dev="devtmpfs" ino=730 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 54.258611][ T27] audit: type=1400 audit(1647971772.955:80): avc: denied { read } for pid=3585 comm="syz-fuzzer" name="vhci" dev="devtmpfs" ino=1072 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1
[ 54.282401][ T27] audit: type=1400 audit(1647971772.955:81): avc: denied { open } for pid=3585 comm="syz-fuzzer" path="/dev/vhci" dev="devtmpfs" ino=1072 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:vhost_device_t tclass=chr_file permissive=1
[ 54.306043][ T27] audit: type=1400 audit(1647971772.995:82): avc: denied { mounton } for pid=3594 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1136 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[ 54.329350][ T27] audit: type=1400 audit(1647971772.995:83): avc: denied { mount } for pid=3594 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 54.352653][ T27] audit: type=1400 audit(1647971773.035:84): avc: denied { unmount } for pid=3594 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[ 54.465100][ T3594] cgroup: Unknown subsys name 'rlimit'
[ 55.749146][ T3597] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 55.757962][ T3597] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 55.765791][ T3597] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 55.774317][ T3597] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 55.782335][ T3597] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 55.790024][ T3597] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 55.888732][ T3596] chnl_net:caif_netlink_parms(): no params data found
[ 55.935296][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state
[ 55.942935][ T3596] bridge0: port 1(bridge_slave_0) entered disabled state
[ 55.951228][ T3596] device bridge_slave_0 entered promiscuous mode
[ 55.960805][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state
[ 55.968208][ T3596] bridge0: port 2(bridge_slave_1) entered disabled state
[ 55.977002][ T3596] device bridge_slave_1 entered promiscuous mode
[ 56.001058][ T3596] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 56.012334][ T3596] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 56.036313][ T3596] team0: Port device team_slave_0 added
[ 56.043980][ T3596] team0: Port device team_slave_1 added
[ 56.062964][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 56.070197][ T3596] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 56.096244][ T3596] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 56.109529][ T3596] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 56.116590][ T3596] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 56.142881][ T3596] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 56.169447][ T3596] device hsr_slave_0 entered promiscuous mode
[ 56.176134][ T3596] device hsr_slave_1 entered promiscuous mode
[ 56.269761][ T3596] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 56.280937][ T3596] netdevsim netdevsim0 netdevsim1: renamed from eth1
[ 56.290761][ T3596] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 56.301238][ T3596] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 56.323697][ T3596] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.330921][ T3596] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 56.339194][ T3596] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.346413][ T3596] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 56.396709][ T3596] 8021q: adding VLAN 0 to HW filter on device bond0
[ 56.410674][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 56.422814][ T2978] bridge0: port 1(bridge_slave_0) entered disabled state
[ 56.432014][ T2978] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.440155][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 56.456015][ T3596] 8021q: adding VLAN 0 to HW filter on device team0
[ 56.469551][ T3606] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 56.478037][ T3606] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.485116][ T3606] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 56.497293][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 56.506617][ T2978] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.514201][ T2978] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 56.539518][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 56.549352][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 56.559707][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 56.568764][ T2978] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 56.579092][ T3596] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 56.590204][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 56.611807][ T3596] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 56.619341][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 56.626779][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 56.740702][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[ 56.755262][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[ 56.765895][ T3596] device veth0_vlan entered promiscuous mode
[ 56.774072][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[ 56.782437][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[ 56.795036][ T3596] device veth1_vlan entered promiscuous mode
[ 56.815649][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[ 56.823912][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[ 56.832252][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[ 56.843344][ T3596] device veth0_macvtap entered promiscuous mode
[ 56.854010][ T3596] device veth1_macvtap entered promiscuous mode
[ 56.870540][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_0
[ 56.881039][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[ 56.892621][ T918] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[ 56.903247][ T3596] batman_adv: batadv0: Interface activated: batadv_slave_1
[ 56.911688][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[ 56.920911][ T3607] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[ 56.931905][ T3596] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
executing program
[ 56.948659][ T3596] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[ 56.957369][ T3596] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[ 56.966522][ T3596] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[ 56.999871][ T3606] ------------[ cut here ]------------
[ 57.005683][ T3606] WARNING: CPU: 0 PID: 3606 at net/core/dev.c:4280 __napi_schedule+0xe2/0x440
[ 57.014591][ T3606] Modules linked in:
[ 57.018588][ T3606] CPU: 0 PID: 3606 Comm: kworker/0:3 Not tainted 5.17.0-next-20220321-syzkaller-dirty #0
[ 57.018624][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.018640][ T3606] Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker
[ 57.045433][ T3606] RIP: 0010:__napi_schedule+0xe2/0x440
[ 57.051066][ T3606] Code: 74 4a e8 d1 c1 3b fa 31 ff 65 44 8b 25 57 59 c6 78 41 81 e4 00 ff 0f 00 44 89 e6 e8 d8 c3 3b fa 45 85 e4 75 07 e8 ae c1 3b fa <0f> 0b e8 a7 c1 3b fa 65 44 8b 25 77 63 c6 78 31 ff 44 89 e6 e8 b5
[ 57.067042][ T1084] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 57.070904][ T3606] RSP: 0018:ffffc9000345fc78 EFLAGS: 00010093
[ 57.070928][ T3606] RAX: 0000000000000000 RBX: ffff888070589a48 RCX: 0000000000000000
[ 57.070941][ T3606] RDX: ffff88802199c180 RSI: ffffffff873c1682 RDI: 0000000000000003
[ 57.070956][ T3606] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
[ 57.070970][ T3606] R10: ffffffff873c1678 R11: 0000000000000000 R12: 0000000000000000
[ 57.070984][ T3606] R13: ffff8880b9c00000 R14: 000000000003b180 R15: ffff88806f8f8ec0
[ 57.093188][ T3606] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 57.093215][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.093230][ T3606] CR2: 000056420cdd2db0 CR3: 000000006a719000 CR4: 00000000003506f0
[ 57.093245][ T3606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 57.157189][ T3606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 57.165160][ T3606] Call Trace:
[ 57.168447][ T3606] <TASK>
[ 57.171387][ T3606] wg_packet_decrypt_worker+0x408/0x5d0
[ 57.177231][ T3606] process_one_work+0x996/0x1610
[ 57.182468][ T3606] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 57.187872][ T3606] ? rwlock_bug.part.0+0x90/0x90
[ 57.192808][ T3606] ? _raw_spin_lock_irq+0x41/0x50
[ 57.197846][ T3606] worker_thread+0x665/0x1080
[ 57.202550][ T3606] ? __kthread_parkme+0x15f/0x220
[ 57.207663][ T3606] ? process_one_work+0x1610/0x1610
[ 57.213043][ T3606] kthread+0x2e9/0x3a0
[ 57.217131][ T3606] ? kthread_complete_and_exit+0x40/0x40
[ 57.222861][ T3606] ret_from_fork+0x1f/0x30
[ 57.227279][ T3606] </TASK>
[ 57.230291][ T3606] Kernel panic - not syncing: panic_on_warn set ...
[ 57.237581][ T3606] CPU: 0 PID: 3606 Comm: kworker/0:3 Not tainted 5.17.0-next-20220321-syzkaller-dirty #0
[ 57.247421][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 57.257570][ T3606] Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker
[ 57.264122][ T3606] Call Trace:
[ 57.267432][ T3606] <TASK>
[ 57.270626][ T3606] dump_stack_lvl+0xcd/0x134
[ 57.275394][ T3606] panic+0x2d7/0x636
[ 57.279292][ T3606] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 57.285286][ T3606] ? __warn.cold+0x1d1/0x2c5
[ 57.289883][ T3606] ? __napi_schedule+0xe2/0x440
[ 57.294944][ T3606] __warn.cold+0x1e2/0x2c5
[ 57.299540][ T3606] ? __napi_schedule+0xe2/0x440
[ 57.304419][ T3606] report_bug+0x1bd/0x210
[ 57.309008][ T3606] handle_bug+0x3c/0x60
[ 57.313427][ T3606] exc_invalid_op+0x14/0x40
[ 57.318035][ T3606] asm_exc_invalid_op+0x12/0x20
[ 57.322984][ T3606] RIP: 0010:__napi_schedule+0xe2/0x440
[ 57.328448][ T3606] Code: 74 4a e8 d1 c1 3b fa 31 ff 65 44 8b 25 57 59 c6 78 41 81 e4 00 ff 0f 00 44 89 e6 e8 d8 c3 3b fa 45 85 e4 75 07 e8 ae c1 3b fa <0f> 0b e8 a7 c1 3b fa 65 44 8b 25 77 63 c6 78 31 ff 44 89 e6 e8 b5
[ 57.348960][ T3606] RSP: 0018:ffffc9000345fc78 EFLAGS: 00010093
[ 57.355050][ T3606] RAX: 0000000000000000 RBX: ffff888070589a48 RCX: 0000000000000000
[ 57.363106][ T3606] RDX: ffff88802199c180 RSI: ffffffff873c1682 RDI: 0000000000000003
[ 57.371088][ T3606] RBP: 0000000000000200 R08: 0000000000000000 R09: 0000000000000001
[ 57.379069][ T3606] R10: ffffffff873c1678 R11: 0000000000000000 R12: 0000000000000000
[ 57.387122][ T3606] R13: ffff8880b9c00000 R14: 000000000003b180 R15: ffff88806f8f8ec0
[ 57.395350][ T3606] ? __napi_schedule+0xd8/0x440
[ 57.400222][ T3606] ? __napi_schedule+0xe2/0x440
[ 57.405107][ T3606] ? __napi_schedule+0xe2/0x440
[ 57.410057][ T3606] wg_packet_decrypt_worker+0x408/0x5d0
[ 57.415803][ T3606] process_one_work+0x996/0x1610
[ 57.420847][ T3606] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 57.426230][ T3606] ? rwlock_bug.part.0+0x90/0x90
[ 57.431256][ T3606] ? _raw_spin_lock_irq+0x41/0x50
[ 57.436372][ T3606] worker_thread+0x665/0x1080
[ 57.441055][ T3606] ? __kthread_parkme+0x15f/0x220
[ 57.446101][ T3606] ? process_one_work+0x1610/0x1610
[ 57.451565][ T3606] kthread+0x2e9/0x3a0
[ 57.455724][ T3606] ? kthread_complete_and_exit+0x40/0x40
[ 57.461364][ T3606] ret_from_fork+0x1f/0x30
[ 57.465912][ T3606] </TASK>
[ 57.469667][ T3606] Kernel Offset: disabled
[ 57.474426][ T3606] Rebooting in 86400 seconds..
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=17aae1a3700000
Tested on:
commit: f9006d92 Add linux-next specific files for 20220321
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/
kernel config: https://syzkaller.appspot.com/x/.config?x=988d5d4e5a475e90
dashboard link: https://syzkaller.appspot.com/bug?extid=bbea00057d3d55c4889b
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=17f20eeb700000
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