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Message-ID: <000000000000198bb405e1cfabfc@google.com>
Date: Sun, 19 Jun 2022 09:42:08 -0700
From: syzbot <syzbot+3cc1054e15babd5f4cd2@...kaller.appspotmail.com>
To: hdanton@...a.com, linux-kernel@...r.kernel.org,
syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] possible deadlock in console_lock_spinning_enable (2)
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
733894][ T1] nf_conntrack_irc: failed to register helpers
[ 9.735393][ T1] nf_conntrack_sane: failed to register helpers
[ 9.738647][ T1] nf_conntrack_sip: failed to register helpers
[ 9.744443][ T1] xt_time: kernel timezone is -0000
[ 9.746343][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[ 9.748347][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[ 9.750263][ T1] IPVS: ipvs loaded.
[ 9.751181][ T1] IPVS: [rr] scheduler registered.
[ 9.752409][ T1] IPVS: [wrr] scheduler registered.
[ 9.753418][ T1] IPVS: [lc] scheduler registered.
[ 9.754260][ T1] IPVS: [wlc] scheduler registered.
[ 9.755407][ T1] IPVS: [fo] scheduler registered.
[ 9.756393][ T1] IPVS: [ovf] scheduler registered.
[ 9.758180][ T1] IPVS: [lblc] scheduler registered.
[ 9.759670][ T1] IPVS: [lblcr] scheduler registered.
[ 9.760978][ T1] IPVS: [dh] scheduler registered.
[ 9.762122][ T1] IPVS: [sh] scheduler registered.
[ 9.763108][ T1] IPVS: [mh] scheduler registered.
[ 9.764073][ T1] IPVS: [sed] scheduler registered.
[ 9.765581][ T1] IPVS: [nq] scheduler registered.
[ 9.766717][ T1] IPVS: [twos] scheduler registered.
[ 9.767890][ T1] IPVS: [sip] pe registered.
[ 9.769097][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver
[ 9.772940][ T1] gre: GRE over IPv4 demultiplexor driver
[ 9.775256][ T1] ip_gre: GRE over IPv4 tunneling driver
[ 9.783020][ T1] IPv4 over IPsec tunneling driver
[ 9.787176][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[ 9.789164][ T1] Initializing XFRM netlink socket
[ 9.790288][ T1] IPsec XFRM device driver
[ 9.793369][ T1] NET: Registered PF_INET6 protocol family
[ 9.806445][ T1] Segment Routing with IPv6
[ 9.807546][ T1] RPL Segment Routing with IPv6
[ 9.808892][ T1] In-situ OAM (IOAM) with IPv6
[ 9.810163][ T1] mip6: Mobile IPv6
[ 9.814261][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 9.823034][ T1] ip6_gre: GRE over IPv6 tunneling driver
[ 9.827601][ T1] NET: Registered PF_PACKET protocol family
[ 9.829247][ T1] NET: Registered PF_KEY protocol family
[ 9.831023][ T1] Bridge firewalling registered
[ 9.832598][ T1] NET: Registered PF_X25 protocol family
[ 9.833907][ T1] X25: Linux Version 0.2
[ 9.877600][ T1] NET: Registered PF_NETROM protocol family
[ 9.919929][ T1] NET: Registered PF_ROSE protocol family
[ 9.922618][ T1] NET: Registered PF_AX25 protocol family
[ 9.924364][ T1] can: controller area network core
[ 9.926445][ T1] NET: Registered PF_CAN protocol family
[ 9.927484][ T1] can: raw protocol
[ 9.928285][ T1] can: broadcast manager protocol
[ 9.929768][ T1] can: netlink gateway - max_hops=1
[ 9.931513][ T1] can: SAE J1939
[ 9.932476][ T1] can: isotp protocol
[ 9.934137][ T1] Bluetooth: RFCOMM TTY layer initialized
[ 9.936704][ T1] Bluetooth: RFCOMM socket layer initialized
[ 9.938406][ T1] Bluetooth: RFCOMM ver 1.11
[ 9.939497][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 9.940847][ T1] Bluetooth: BNEP filters: protocol multicast
[ 9.942188][ T1] Bluetooth: BNEP socket layer initialized
[ 9.943175][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0
[ 9.944837][ T1] Bluetooth: CMTP socket layer initialized
[ 9.946399][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 9.947644][ T1] Bluetooth: HIDP socket layer initialized
[ 9.952472][ T1] NET: Registered PF_RXRPC protocol family
[ 9.953713][ T1] Key type rxrpc registered
[ 9.954373][ T1] Key type rxrpc_s registered
[ 9.956935][ T1] NET: Registered PF_KCM protocol family
[ 9.958405][ T1] lec:lane_module_init: lec.c: initialized
[ 9.959966][ T1] mpoa:atm_mpoa_init: mpc.c: initialized
[ 9.961343][ T1] l2tp_core: L2TP core driver, V2.0
[ 9.962248][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 9.963438][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 9.964924][ T1] l2tp_netlink: L2TP netlink interface
[ 9.966842][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 9.968489][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 9.970375][ T1] NET: Registered PF_PHONET protocol family
[ 9.972316][ T1] 8021q: 802.1Q VLAN Support v1.8
[ 9.982243][ T1] DCCP: Activated CCID 2 (TCP-like)
[ 9.983972][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[ 9.988828][ T1] sctp: Hash tables configured (bind 32/56)
[ 9.992797][ T1] NET: Registered PF_RDS protocol family
[ 9.995952][ T1] Registered RDS/infiniband transport
[ 9.998331][ T1] Registered RDS/tcp transport
[ 9.999301][ T1] tipc: Activated (version 2.0.0)
[ 10.001185][ T1] NET: Registered PF_TIPC protocol family
[ 10.003426][ T1] tipc: Started in single node mode
[ 10.005953][ T1] NET: Registered PF_SMC protocol family
[ 10.007663][ T1] 9pnet: Installing 9P2000 support
[ 10.009531][ T1] NET: Registered PF_CAIF protocol family
[ 10.016448][ T1] NET: Registered PF_IEEE802154 protocol family
[ 10.018804][ T1] Key type dns_resolver registered
[ 10.019981][ T1] Key type ceph registered
[ 10.022035][ T1] libceph: loaded (mon/osd proto 15/24)
[ 10.025632][ T1] batman_adv: B.A.T.M.A.N. advanced 2021.3 (compatibility version 15) loaded
[ 10.027479][ T1] openvswitch: Open vSwitch switching datapath
[ 10.032455][ T1] NET: Registered PF_VSOCK protocol family
[ 10.034348][ T1] mpls_gso: MPLS GSO support
[ 10.042692][ T1] IPI shorthand broadcast: enabled
[ 10.044218][ T1] AVX2 version of gcm_enc/dec engaged.
[ 10.045496][ T1] AES CTR mode by8 optimization enabled
[ 10.050326][ T1] sched_clock: Marking stable (10029278411, 20887515)->(10056257631, -6091705)
[ 10.054020][ T1] registered taskstats version 1
[ 10.061818][ T1] Loading compiled-in X.509 certificates
[ 10.065938][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77'
[ 10.071352][ T1] zswap: loaded using pool lzo/zbud
[ 10.074824][ T1] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers
[ 11.756607][ T1] Key type ._fscrypt registered
[ 11.757678][ T1] Key type .fscrypt registered
[ 11.758612][ T1] Key type fscrypt-provisioning registered
[ 11.765929][ T1] kAFS: Red Hat AFS client v0.1 registering.
[ 11.767788][ T1] FS-Cache: Netfs 'afs' registered for caching
[ 11.778052][ T1] Btrfs loaded, crc32c=crc32c-intel, assert=on, zoned=yes, fsverity=yes
[ 11.780678][ T1] Key type big_key registered
[ 11.784695][ T1] Key type encrypted registered
[ 11.787180][ T1] ima: No TPM chip found, activating TPM-bypass!
[ 11.788307][ T1] Loading compiled-in module X.509 certificates
[ 11.790027][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77'
[ 11.792366][ T1] ima: Allocated hash algorithm: sha256
[ 11.793679][ T1] ima: No architecture policies found
[ 11.795462][ T1] evm: Initialising EVM extended attributes:
[ 11.796533][ T1] evm: security.selinux (disabled)
[ 11.797337][ T1] evm: security.SMACK64
[ 11.798128][ T1] evm: security.SMACK64EXEC
[ 11.798914][ T1] evm: security.SMACK64TRANSMUTE
[ 11.800050][ T1] evm: security.SMACK64MMAP
[ 11.801294][ T1] evm: security.apparmor (disabled)
[ 11.802445][ T1] evm: security.ima
[ 11.803150][ T1] evm: security.capability
[ 11.803875][ T1] evm: HMAC attrs: 0x1
[ 11.878842][ T1] PM: Magic number: 10:155:591
[ 11.880170][ T1] cec cec18: hash matches
[ 11.881277][ T1] usbmon usbmon27: hash matches
[ 11.882205][ T1] usb usb20-port4: hash matches
[ 11.883765][ T1] tty ptyc9: hash matches
[ 11.886992][ T1] printk: console [netcon0] enabled
[ 11.888301][ T1] netconsole: network logging started
[ 11.889910][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes)
[ 11.893148][ T1] rdma_rxe: loaded
[ 11.894125][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 11.900422][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 11.902966][ T136] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 11.907426][ T136] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
[ 11.907483][ T1] ALSA device list:
[ 11.910739][ T1] #0: Dummy 1
[ 11.911554][ T1] #1: Loopback 1
[ 11.912331][ T1] #2: Virtual MIDI Card 1
[ 11.916533][ T1] md: Waiting for all devices to be available before autodetect
[ 11.918559][ T1] md: If you don't use raid, use raid=noautodetect
[ 11.919724][ T1] md: Autodetecting RAID arrays.
[ 11.920947][ T1] md: autorun ...
[ 11.921743][ T1] md: ... autorun DONE.
[ 11.945958][ T1] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[ 11.949061][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[ 11.952878][ T1] devtmpfs: mounted
[ 12.009316][ T1] Freeing unused kernel image (initmem) memory: 3820K
[ 12.011137][ T1] Write protecting the kernel read-only data: 169984k
[ 12.017381][ T1] Freeing unused kernel image (text/rodata gap) memory: 2012K
[ 12.021141][ T1] Freeing unused kernel image (rodata/data gap) memory: 1648K
[ 12.026563][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found
[ 12.029361][ T1] Run /sbin/init as init process
[ 12.252245][ T2936] mount (2936) used greatest stack depth: 24880 bytes left
[ 12.289115][ T2937] EXT4-fs (sda1): re-mounted. Opts: (null). Quota mode: none.
[ 12.322458][ T2938] mkdir (2938) used greatest stack depth: 24744 bytes left
mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or directory
mount: mounting mqueue on /dev/mqueue failed: No such file or directory
mount: [ 12.363510][ T2939] mount (2939) used greatest stack depth: 21664 bytes left
mounting hugetlbfs on /dev/hugepages failed: No such file or directory
mount: mounting fuse.lxcfs on /var/lib/lxcfs failed: No such file or directory
Starting syslogd: OK
Starting acpid: OK
Starting klogd: OK
Running sysctl: OK
[ 12.811121][ T2964] logger (2964) used greatest stack depth: 21264 bytes left
Populating /dev using udev: [ 13.003968][ T2968] udevd[2968]: starting version 3.2.10
[ 13.183619][ T2969] udevd[2969]: starting eudev-3.2.10
[ 13.187999][ T2968] udevd (2968) used greatest stack depth: 20544 bytes left
[ 18.203068][ T3046] ================================================================================
[ 18.275244][ T3046] UBSAN: object-size-mismatch in net/unix/af_unix.c:978:14
[ 18.282483][ T3046] member access within address ffff888022443ccc with insufficient space
[ 18.402043][ T3046] for an object of type 'struct sockaddr_un'
[ 18.441637][ T3046] CPU: 0 PID: 3046 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0
[ 18.452006][ T3046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 18.462097][ T3046] Call Trace:
[ 18.465396][ T3046] <TASK>
[ 18.468342][ T3046] dump_stack_lvl+0x1e3/0x2cb
[ 18.473067][ T3046] ? bfq_pos_tree_add_move+0x451/0x451
[ 18.478547][ T3046] ? panic+0x7e3/0x7e3
[ 18.482662][ T3046] ubsan_type_mismatch_common+0x1e6/0x390
[ 18.488404][ T3046] __ubsan_handle_type_mismatch_v1+0x4a/0x60
[ 18.494662][ T3046] unix_autobind+0x14f/0x4d0
[ 18.499274][ T3046] ? tomoyo_socket_connect_permission+0x1dc/0x300
[ 18.505713][ T3046] unix_stream_connect+0x896/0x1010
[ 18.511209][ T3046] ? unix_bind+0x9a0/0x9a0
[ 18.515642][ T3046] ? bpf_lsm_socket_connect+0x5/0x10
[ 18.520954][ T3046] ? __sys_connect_file+0xbd/0x170
[ 18.526083][ T3046] ? __x64_sys_connect+0x148/0x1e0
[ 18.531221][ T3046] __x64_sys_connect+0x15b/0x1e0
[ 18.536184][ T3046] ? __sys_connect+0x170/0x170
[ 18.540974][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 18.546993][ T3046] ? lockdep_hardirqs_on+0x95/0x140
[ 18.552212][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 18.558211][ T3046] do_syscall_64+0x44/0xa0
[ 18.562649][ T3046] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 18.568558][ T3046] RIP: 0033:0x7fa1d19a6d23
[ 18.572984][ T3046] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 18 89 54 24 0c 48
[ 18.592779][ T3046] RSP: 002b:00007ffe3ca5fba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 18.601476][ T3046] RAX: ffffffffffffffda RBX: 0000559f3535a930 RCX: 00007fa1d19a6d23
[ 18.609893][ T3046] RDX: 0000000000000013 RSI: 0000559f3535a948 RDI: 0000000000000003
[ 18.618135][ T3046] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d
[ 18.626560][ T3046] R10: 00007ffe3ca5fcf4 R11: 0000000000000246 R12: 00007ffe3ca5fbc0
[ 18.634896][ T3046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
[ 18.642900][ T3046] </TASK>
[ 19.205668][ T3046] ================================================================================
[ 19.215846][ T3046] Kernel panic - not syncing: panic_on_warn set ...
[ 19.222533][ T3046] CPU: 0 PID: 3046 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0
[ 19.233304][ T3046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 19.243368][ T3046] Call Trace:
[ 19.246699][ T3046] <TASK>
[ 19.249729][ T3046] dump_stack_lvl+0x1e3/0x2cb
[ 19.255049][ T3046] ? bfq_pos_tree_add_move+0x451/0x451
[ 19.260526][ T3046] ? panic+0x7e3/0x7e3
[ 19.264636][ T3046] panic+0x2f1/0x7e3
[ 19.268561][ T3046] ? ubsan_type_mismatch_common+0x20a/0x390
[ 19.274478][ T3046] ? fb_is_primary_device+0xcc/0xcc
[ 19.279697][ T3046] ? panic+0x7e3/0x7e3
[ 19.283805][ T3046] ubsan_type_mismatch_common+0x38c/0x390
[ 19.289548][ T3046] __ubsan_handle_type_mismatch_v1+0x4a/0x60
[ 19.295542][ T3046] unix_autobind+0x14f/0x4d0
[ 19.300151][ T3046] ? tomoyo_socket_connect_permission+0x1dc/0x300
[ 19.306789][ T3046] unix_stream_connect+0x896/0x1010
[ 19.312097][ T3046] ? unix_bind+0x9a0/0x9a0
[ 19.316616][ T3046] ? bpf_lsm_socket_connect+0x5/0x10
[ 19.322357][ T3046] ? __sys_connect_file+0xbd/0x170
[ 19.327486][ T3046] ? __x64_sys_connect+0x148/0x1e0
[ 19.332870][ T3046] __x64_sys_connect+0x15b/0x1e0
[ 19.338167][ T3046] ? __sys_connect+0x170/0x170
[ 19.343057][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 19.349499][ T3046] ? lockdep_hardirqs_on+0x95/0x140
[ 19.354717][ T3046] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 19.360820][ T3046] do_syscall_64+0x44/0xa0
[ 19.365259][ T3046] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 19.371340][ T3046] RIP: 0033:0x7fa1d19a6d23
[ 19.375766][ T3046] Code: 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 2a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 18 89 54 24 0c 48
[ 19.396086][ T3046] RSP: 002b:00007ffe3ca5fba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 19.404692][ T3046] RAX: ffffffffffffffda RBX: 0000559f3535a930 RCX: 00007fa1d19a6d23
[ 19.412688][ T3046] RDX: 0000000000000013 RSI: 0000559f3535a948 RDI: 0000000000000003
[ 19.420676][ T3046] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d
[ 19.428658][ T3046] R10: 00007ffe3ca5fcf4 R11: 0000000000000246 R12: 00007ffe3ca5fbc0
[ 19.436730][ T3046] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
[ 19.444816][ T3046] </TASK>
[ 19.448180][ T3046] Kernel Offset: disabled
[ 19.452546][ T3046] 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=152f2d28080000
Tested on:
commit: c741e491 Merge tag 'for-linus' of git://git.kernel.org..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel config: https://syzkaller.appspot.com/x/.config?x=308b87e56290f642
dashboard link: https://syzkaller.appspot.com/bug?extid=3cc1054e15babd5f4cd2
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=150bf2f8080000
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