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Date: Sun, 19 Jun 2022 05:35:10 -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:
[ 10.802014][ T1] Simple TC action Loaded
[ 10.806041][ T1] netem: version 1.3
[ 10.807714][ T1] u32 classifier
[ 10.808804][ T1] Performance counters on
[ 10.810052][ T1] input device check on
[ 10.811533][ T1] Actions configured
[ 10.815988][ T1] nf_conntrack_irc: failed to register helpers
[ 10.817441][ T1] nf_conntrack_sane: failed to register helpers
[ 10.821557][ T1] nf_conntrack_sip: failed to register helpers
[ 10.828450][ T1] xt_time: kernel timezone is -0000
[ 10.830022][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[ 10.831890][ T1] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[ 10.834704][ T1] IPVS: ipvs loaded.
[ 10.835491][ T1] IPVS: [rr] scheduler registered.
[ 10.836322][ T1] IPVS: [wrr] scheduler registered.
[ 10.837408][ T1] IPVS: [lc] scheduler registered.
[ 10.838559][ T1] IPVS: [wlc] scheduler registered.
[ 10.839491][ T1] IPVS: [fo] scheduler registered.
[ 10.840419][ T1] IPVS: [ovf] scheduler registered.
[ 10.841754][ T1] IPVS: [lblc] scheduler registered.
[ 10.842740][ T1] IPVS: [lblcr] scheduler registered.
[ 10.844313][ T1] IPVS: [dh] scheduler registered.
[ 10.845800][ T1] IPVS: [sh] scheduler registered.
[ 10.846728][ T1] IPVS: [mh] scheduler registered.
[ 10.847666][ T1] IPVS: [sed] scheduler registered.
[ 10.848884][ T1] IPVS: [nq] scheduler registered.
[ 10.850158][ T1] IPVS: [twos] scheduler registered.
[ 10.851507][ T1] IPVS: [sip] pe registered.
[ 10.852406][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver
[ 10.856743][ T1] gre: GRE over IPv4 demultiplexor driver
[ 10.858592][ T1] ip_gre: GRE over IPv4 tunneling driver
[ 10.867380][ T1] IPv4 over IPsec tunneling driver
[ 10.871527][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[ 10.875103][ T1] Initializing XFRM netlink socket
[ 10.876272][ T1] IPsec XFRM device driver
[ 10.879599][ T1] NET: Registered PF_INET6 protocol family
[ 10.895773][ T1] Segment Routing with IPv6
[ 10.896808][ T1] RPL Segment Routing with IPv6
[ 10.898085][ T1] In-situ OAM (IOAM) with IPv6
[ 10.899644][ T1] mip6: Mobile IPv6
[ 10.904459][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 10.913264][ T1] ip6_gre: GRE over IPv6 tunneling driver
[ 10.918162][ T1] NET: Registered PF_PACKET protocol family
[ 10.919995][ T1] NET: Registered PF_KEY protocol family
[ 10.921942][ T1] Bridge firewalling registered
[ 10.923841][ T1] NET: Registered PF_X25 protocol family
[ 10.925469][ T1] X25: Linux Version 0.2
[ 10.972954][ T1] NET: Registered PF_NETROM protocol family
[ 11.021612][ T1] NET: Registered PF_ROSE protocol family
[ 11.023444][ T1] NET: Registered PF_AX25 protocol family
[ 11.026495][ T1] can: controller area network core
[ 11.029127][ T1] NET: Registered PF_CAN protocol family
[ 11.030384][ T1] can: raw protocol
[ 11.031262][ T1] can: broadcast manager protocol
[ 11.032209][ T1] can: netlink gateway - max_hops=1
[ 11.033734][ T1] can: SAE J1939
[ 11.035093][ T1] can: isotp protocol
[ 11.036248][ T1] Bluetooth: RFCOMM TTY layer initialized
[ 11.037955][ T1] Bluetooth: RFCOMM socket layer initialized
[ 11.039643][ T1] Bluetooth: RFCOMM ver 1.11
[ 11.040831][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 11.041848][ T1] Bluetooth: BNEP filters: protocol multicast
[ 11.043280][ T1] Bluetooth: BNEP socket layer initialized
[ 11.045263][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0
[ 11.046599][ T1] Bluetooth: CMTP socket layer initialized
[ 11.047621][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 11.049430][ T1] Bluetooth: HIDP socket layer initialized
[ 11.056271][ T1] NET: Registered PF_RXRPC protocol family
[ 11.057506][ T1] Key type rxrpc registered
[ 11.058461][ T1] Key type rxrpc_s registered
[ 11.061172][ T1] NET: Registered PF_KCM protocol family
[ 11.062624][ T1] lec:lane_module_init: lec.c: initialized
[ 11.063962][ T1] mpoa:atm_mpoa_init: mpc.c: initialized
[ 11.066032][ T1] l2tp_core: L2TP core driver, V2.0
[ 11.067399][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 11.068261][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 11.070183][ T1] l2tp_netlink: L2TP netlink interface
[ 11.071402][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 11.072721][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 11.075132][ T1] NET: Registered PF_PHONET protocol family
[ 11.077079][ T1] 8021q: 802.1Q VLAN Support v1.8
[ 11.088753][ T1] DCCP: Activated CCID 2 (TCP-like)
[ 11.090644][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[ 11.094975][ T1] sctp: Hash tables configured (bind 32/56)
[ 11.098655][ T1] NET: Registered PF_RDS protocol family
[ 11.100754][ T1] Registered RDS/infiniband transport
[ 11.103576][ T1] Registered RDS/tcp transport
[ 11.104649][ T1] tipc: Activated (version 2.0.0)
[ 11.106531][ T1] NET: Registered PF_TIPC protocol family
[ 11.108185][ T1] tipc: Started in single node mode
[ 11.110008][ T1] NET: Registered PF_SMC protocol family
[ 11.111963][ T1] 9pnet: Installing 9P2000 support
[ 11.114190][ T1] NET: Registered PF_CAIF protocol family
[ 11.121488][ T1] NET: Registered PF_IEEE802154 protocol family
[ 11.123184][ T1] Key type dns_resolver registered
[ 11.124574][ T1] Key type ceph registered
[ 11.126408][ T1] libceph: loaded (mon/osd proto 15/24)
[ 11.130146][ T1] batman_adv: B.A.T.M.A.N. advanced 2021.3 (compatibility version 15) loaded
[ 11.131683][ T1] openvswitch: Open vSwitch switching datapath
[ 11.137487][ T1] NET: Registered PF_VSOCK protocol family
[ 11.138831][ T1] mpls_gso: MPLS GSO support
[ 11.148136][ T1] IPI shorthand broadcast: enabled
[ 11.149291][ T1] AVX2 version of gcm_enc/dec engaged.
[ 11.150798][ T1] AES CTR mode by8 optimization enabled
[ 11.155757][ T1] sched_clock: Marking stable (11128465327, 27129818)->(11161429034, -5833889)
[ 11.159736][ T1] registered taskstats version 1
[ 11.169377][ T1] Loading compiled-in X.509 certificates
[ 11.173978][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77'
[ 11.179898][ T1] zswap: loaded using pool lzo/zbud
[ 11.183624][ T1] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers
[ 13.358140][ T1] Key type ._fscrypt registered
[ 13.360032][ T1] Key type .fscrypt registered
[ 13.361849][ T1] Key type fscrypt-provisioning registered
[ 13.371180][ T1] kAFS: Red Hat AFS client v0.1 registering.
[ 13.373825][ T1] FS-Cache: Netfs 'afs' registered for caching
[ 13.386734][ T1] Btrfs loaded, crc32c=crc32c-intel, assert=on, zoned=yes, fsverity=yes
[ 13.396616][ T1] Key type big_key registered
[ 13.405906][ T1] Key type encrypted registered
[ 13.411212][ T1] ima: No TPM chip found, activating TPM-bypass!
[ 13.417707][ T1] Loading compiled-in module X.509 certificates
[ 13.424860][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: f850c787ad998c396ae089c083b940ff0a9abb77'
[ 13.436509][ T1] ima: Allocated hash algorithm: sha256
[ 13.442596][ T1] ima: No architecture policies found
[ 13.448375][ T1] evm: Initialising EVM extended attributes:
[ 13.454408][ T1] evm: security.selinux (disabled)
[ 13.459503][ T1] evm: security.SMACK64
[ 13.463910][ T1] evm: security.SMACK64EXEC
[ 13.468455][ T1] evm: security.SMACK64TRANSMUTE
[ 13.473460][ T1] evm: security.SMACK64MMAP
[ 13.477995][ T1] evm: security.apparmor (disabled)
[ 13.483185][ T1] evm: security.ima
[ 13.487216][ T1] evm: security.capability
[ 13.491723][ T1] evm: HMAC attrs: 0x1
[ 13.589003][ T1] PM: Magic number: 10:75:431
[ 13.599513][ T1] printk: console [netcon0] enabled
[ 13.605434][ T1] netconsole: network logging started
[ 13.611823][ T1] gtp: GTP module loaded (pdp ctx size 104 bytes)
[ 13.621725][ T1] rdma_rxe: loaded
[ 13.626413][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 13.638663][ T1] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 13.648527][ T919] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[ 13.656733][ T1] ALSA device list:
[ 13.658843][ T919] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db
[ 13.662202][ T1] #0: Dummy 1
[ 13.674383][ T1] #1: Loopback 1
[ 13.678273][ T1] #2: Virtual MIDI Card 1
[ 13.686523][ T1] md: Waiting for all devices to be available before autodetect
[ 13.694420][ T1] md: If you don't use raid, use raid=noautodetect
[ 13.701108][ T1] md: Autodetecting RAID arrays.
[ 13.706435][ T1] md: autorun ...
[ 13.710407][ T1] md: ... autorun DONE.
[ 13.764392][ T1] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[ 13.776436][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[ 13.809223][ T1] devtmpfs: mounted
[ 13.877590][ T1] Freeing unused kernel image (initmem) memory: 3820K
[ 13.884779][ T1] Write protecting the kernel read-only data: 169984k
[ 13.897551][ T1] Freeing unused kernel image (text/rodata gap) memory: 2012K
[ 13.909309][ T1] Freeing unused kernel image (rodata/data gap) memory: 1648K
[ 13.923952][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found
[ 13.936282][ T1] Run /sbin/init as init process
[ 14.412276][ T2936] mount (2936) used greatest stack depth: 24032 bytes left
[ 14.443897][ T2937] EXT4-fs (sda1): re-mounted. Opts: (null). Quota mode: none.
mount: mounting selinuxfs on /sys/fs/selinux failed: No such file or directory
mount: mounting mqueue on /dev/mqueue failed: No such file or di[ 14.560305][ T2939] mount (2939) used greatest stack depth: 21664 bytes left
rectory
mount: 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: [ 15.142288][ T2966] logger (2966) used greatest stack depth: 21264 bytes left
OK
Populating /dev using udev: [ 15.355331][ T2968] udevd[2968]: starting version 3.2.10
[ 15.518137][ T2969] udevd[2969]: starting eudev-3.2.10
[ 15.520485][ T2968] udevd (2968) used greatest stack depth: 20544 bytes left
[ 21.510608][ T3058] ================================================================================
[ 21.614370][ T3058] UBSAN: object-size-mismatch in net/unix/af_unix.c:977:14
[ 21.621715][ T3058] member access within address ffff8880152f2fcc with insufficient space
[ 21.721756][ T3058] for an object of type 'struct sockaddr_un'
[ 21.778735][ T3058] CPU: 0 PID: 3058 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0
[ 21.789827][ T3058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 21.799915][ T3058] Call Trace:
[ 21.803217][ T3058] <TASK>
[ 21.806249][ T3058] dump_stack_lvl+0x1e3/0x2cb
[ 21.810967][ T3058] ? bfq_pos_tree_add_move+0x451/0x451
[ 21.817185][ T3058] ? panic+0x7e3/0x7e3
[ 21.821585][ T3058] ubsan_type_mismatch_common+0x1e6/0x390
[ 21.827540][ T3058] __ubsan_handle_type_mismatch_v1+0x4a/0x60
[ 21.833746][ T3058] unix_autobind+0x129/0x4d0
[ 21.838466][ T3058] ? tomoyo_socket_connect_permission+0x1dc/0x300
[ 21.845190][ T3058] unix_stream_connect+0x896/0x1010
[ 21.850428][ T3058] ? unix_bind+0x9a0/0x9a0
[ 21.854864][ T3058] ? bpf_lsm_socket_connect+0x5/0x10
[ 21.860278][ T3058] ? __sys_connect_file+0xbd/0x170
[ 21.865620][ T3058] ? __x64_sys_connect+0x148/0x1e0
[ 21.870845][ T3058] __x64_sys_connect+0x15b/0x1e0
[ 21.875813][ T3058] ? __sys_connect+0x170/0x170
[ 21.880697][ T3058] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 21.886700][ T3058] ? lockdep_hardirqs_on+0x95/0x140
[ 21.892033][ T3058] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 21.898132][ T3058] do_syscall_64+0x44/0xa0
[ 21.902678][ T3058] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 21.908660][ T3058] RIP: 0033:0x7f647d4e3d23
[ 21.913184][ T3058] 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
[ 21.932989][ T3058] RSP: 002b:00007ffd414990b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 21.941845][ T3058] RAX: ffffffffffffffda RBX: 00005610bca2f930 RCX: 00007f647d4e3d23
[ 21.949954][ T3058] RDX: 0000000000000013 RSI: 00005610bca2f948 RDI: 0000000000000003
[ 21.958122][ T3058] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d
[ 21.966217][ T3058] R10: 00007ffd41499204 R11: 0000000000000246 R12: 00007ffd414990d0
[ 21.974216][ T3058] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
[ 21.982245][ T3058] </TASK>
[ 22.431726][ T3058] ================================================================================
[ 22.584101][ T3058] Kernel panic - not syncing: panic_on_warn set ...
[ 22.591436][ T3058] CPU: 1 PID: 3058 Comm: udevadm Not tainted 5.16.0-rc4-syzkaller-00161-gc741e49150db-dirty #0
[ 22.602145][ T3058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 22.612502][ T3058] Call Trace:
[ 22.615801][ T3058] <TASK>
[ 22.618827][ T3058] dump_stack_lvl+0x1e3/0x2cb
[ 22.623960][ T3058] ? bfq_pos_tree_add_move+0x451/0x451
[ 22.629581][ T3058] ? panic+0x7e3/0x7e3
[ 22.633808][ T3058] panic+0x2f1/0x7e3
[ 22.637988][ T3058] ? ubsan_type_mismatch_common+0x20a/0x390
[ 22.644259][ T3058] ? fb_is_primary_device+0xcc/0xcc
[ 22.649491][ T3058] ? panic+0x7e3/0x7e3
[ 22.653754][ T3058] ubsan_type_mismatch_common+0x38c/0x390
[ 22.659522][ T3058] __ubsan_handle_type_mismatch_v1+0x4a/0x60
[ 22.665536][ T3058] unix_autobind+0x129/0x4d0
[ 22.670153][ T3058] ? tomoyo_socket_connect_permission+0x1dc/0x300
[ 22.676725][ T3058] unix_stream_connect+0x896/0x1010
[ 22.682052][ T3058] ? unix_bind+0x9a0/0x9a0
[ 22.686493][ T3058] ? bpf_lsm_socket_connect+0x5/0x10
[ 22.691811][ T3058] ? __sys_connect_file+0xbd/0x170
[ 22.696954][ T3058] ? __x64_sys_connect+0x148/0x1e0
[ 22.702096][ T3058] __x64_sys_connect+0x15b/0x1e0
[ 22.707072][ T3058] ? __sys_connect+0x170/0x170
[ 22.712396][ T3058] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 22.718411][ T3058] ? lockdep_hardirqs_on+0x95/0x140
[ 22.723725][ T3058] ? syscall_enter_from_user_mode+0x2e/0x1c0
[ 22.730002][ T3058] do_syscall_64+0x44/0xa0
[ 22.734580][ T3058] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 22.740704][ T3058] RIP: 0033:0x7f647d4e3d23
[ 22.745145][ T3058] 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
[ 22.764784][ T3058] RSP: 002b:00007ffd414990b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
[ 22.773481][ T3058] RAX: ffffffffffffffda RBX: 00005610bca2f930 RCX: 00007f647d4e3d23
[ 22.781474][ T3058] RDX: 0000000000000013 RSI: 00005610bca2f948 RDI: 0000000000000003
[ 22.789466][ T3058] RBP: 000000000000001e R08: 000000000000001e R09: 0030312e322e332d
[ 22.797548][ T3058] R10: 00007ffd41499204 R11: 0000000000000246 R12: 00007ffd414990d0
[ 22.805626][ T3058] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000007
[ 22.813634][ T3058] </TASK>
[ 22.817049][ T3058] Kernel Offset: disabled
[ 22.821577][ T3058] 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=13ea0818080000
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=1472f954080000
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