============================================ WARNING: possible recursive locking detected 4.19.211-syzkaller #0 Not tainted -------------------------------------------- syz-executor.2/32757 is trying to acquire lock: 00000000f040b813 (_xmit_ETHER#2){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000f040b813 (_xmit_ETHER#2){+.-.}, at: __netif_tx_lock include/linux/netdevice.h:3842 [inline] 00000000f040b813 (_xmit_ETHER#2){+.-.}, at: sch_direct_xmit+0x254/0xf70 net/sched/sch_generic.c:330 but task is already holding lock: 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: __netif_tx_lock include/linux/netdevice.h:3842 [inline] 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: sch_direct_xmit+0x254/0xf70 net/sched/sch_generic.c:330 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(_xmit_ETHER#2); lock(_xmit_ETHER#2); *** DEADLOCK *** May be due to missing lock nesting notation 14 locks held by syz-executor.2/32757: #0: 0000000085f66d61 (rcu_read_lock){....}, at: l3mdev_l3_out include/net/l3mdev.h:172 [inline] #0: 0000000085f66d61 (rcu_read_lock){....}, at: l3mdev_ip6_out include/net/l3mdev.h:193 [inline] #0: 0000000085f66d61 (rcu_read_lock){....}, at: rawv6_send_hdrinc net/ipv6/raw.c:682 [inline] #0: 0000000085f66d61 (rcu_read_lock){....}, at: rawv6_sendmsg+0x1e3d/0x36a0 net/ipv6/raw.c:947 #1: 000000007cd71b65 (rcu_read_lock_bh){....}, at: lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #1: 000000007cd71b65 (rcu_read_lock_bh){....}, at: ip6_finish_output2+0x1f2/0x2290 net/ipv6/ip6_output.c:106 #2: 000000007cd71b65 (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x1e2/0x2e00 net/core/dev.c:3773 #3: 000000004213a6b1 (&(&sch->seqlock)->rlock){+...}, at: spin_trylock include/linux/spinlock.h:339 [inline] #3: 000000004213a6b1 (&(&sch->seqlock)->rlock){+...}, at: qdisc_run_begin include/net/sch_generic.h:130 [inline] #3: 000000004213a6b1 (&(&sch->seqlock)->rlock){+...}, at: qdisc_run include/net/pkt_sched.h:119 [inline] #3: 000000004213a6b1 (&(&sch->seqlock)->rlock){+...}, at: __dev_xmit_skb net/core/dev.c:3451 [inline] #3: 000000004213a6b1 (&(&sch->seqlock)->rlock){+...}, at: __dev_queue_xmit+0x278b/0x2e00 net/core/dev.c:3807 #4: 000000004516a786 (dev->qdisc_running_key ?: &qdisc_running_key){+...}, at: neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 #5: 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] #5: 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: __netif_tx_lock include/linux/netdevice.h:3842 [inline] #5: 00000000bdd5d553 (_xmit_ETHER#2){+.-.}, at: sch_direct_xmit+0x254/0xf70 net/sched/sch_generic.c:330 #6: 00000000517ff13d (k-slock-AF_INET6){+.-.}, at: spin_trylock include/linux/spinlock.h:339 [inline] #6: 00000000517ff13d (k-slock-AF_INET6){+.-.}, at: icmpv6_xmit_lock net/ipv6/icmp.c:119 [inline] #6: 00000000517ff13d (k-slock-AF_INET6){+.-.}, at: icmp6_send+0x1086/0x22c0 net/ipv6/icmp.c:532 #7: 0000000085f66d61 (rcu_read_lock){....}, at: icmp6_send+0x170b/0x22c0 net/ipv6/icmp.c:565 #8: 000000007cd71b65 (rcu_read_lock_bh){....}, at: lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #8: 000000007cd71b65 (rcu_read_lock_bh){....}, at: ip6_finish_output2+0x1f2/0x2290 net/ipv6/ip6_output.c:106 #9: 0000000085f66d61 (rcu_read_lock){....}, at: ip6_nd_hdr net/ipv6/ndisc.c:449 [inline] #9: 0000000085f66d61 (rcu_read_lock){....}, at: ndisc_send_skb+0x857/0x1720 net/ipv6/ndisc.c:485 #10: 000000007cd71b65 (rcu_read_lock_bh){....}, at: lwtunnel_xmit_redirect include/net/lwtunnel.h:92 [inline] #10: 000000007cd71b65 (rcu_read_lock_bh){....}, at: ip6_finish_output2+0x1f2/0x2290 net/ipv6/ip6_output.c:106 #11: 000000007cd71b65 (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x1e2/0x2e00 net/core/dev.c:3773 #12: 00000000149b3bdf (&(&sch->seqlock)->rlock){+...}, at: spin_trylock include/linux/spinlock.h:339 [inline] #12: 00000000149b3bdf (&(&sch->seqlock)->rlock){+...}, at: qdisc_run_begin include/net/sch_generic.h:130 [inline] #12: 00000000149b3bdf (&(&sch->seqlock)->rlock){+...}, at: qdisc_run include/net/pkt_sched.h:119 [inline] #12: 00000000149b3bdf (&(&sch->seqlock)->rlock){+...}, at: __dev_xmit_skb net/core/dev.c:3451 [inline] #12: 00000000149b3bdf (&(&sch->seqlock)->rlock){+...}, at: __dev_queue_xmit+0x278b/0x2e00 net/core/dev.c:3807 #13: 00000000f7e5f9a6 (dev->qdisc_running_key ?: &qdisc_running_key){+...}, at: neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 stack backtrace: CPU: 0 PID: 32757 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_deadlock_bug kernel/locking/lockdep.c:1764 [inline] check_deadlock kernel/locking/lockdep.c:1808 [inline] validate_chain kernel/locking/lockdep.c:2404 [inline] __lock_acquire.cold+0x121/0x57e kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __netif_tx_lock include/linux/netdevice.h:3842 [inline] sch_direct_xmit+0x254/0xf70 net/sched/sch_generic.c:330 qdisc_restart net/sched/sch_generic.c:395 [inline] __qdisc_run+0x4d0/0x1640 net/sched/sch_generic.c:403 qdisc_run include/net/pkt_sched.h:120 [inline] __dev_xmit_skb net/core/dev.c:3451 [inline] __dev_queue_xmit+0x2102/0x2e00 net/core/dev.c:3807 neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 overlayfs: statfs failed on './file0' dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa24/0x1720 net/ipv6/ndisc.c:491 ndisc_send_ns+0x51d/0x840 net/ipv6/ndisc.c:633 ndisc_solicit+0x2cd/0x500 net/ipv6/ndisc.c:725 neigh_probe+0xcc/0x110 net/core/neighbour.c:916 __neigh_event_send+0x387/0xf70 net/core/neighbour.c:1074 neigh_event_send include/net/neighbour.h:436 [inline] neigh_resolve_output+0x6d8/0x910 net/core/neighbour.c:1358 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] ip6_local_out+0xaf/0x170 net/ipv6/output_core.c:160 ip6_send_skb+0xb3/0x300 net/ipv6/ip6_output.c:1741 ip6_push_pending_frames+0xbd/0xe0 net/ipv6/ip6_output.c:1761 icmpv6_push_pending_frames+0x294/0x470 net/ipv6/icmp.c:288 icmp6_send+0x1c0f/0x22c0 net/ipv6/icmp.c:584 __icmpv6_send include/linux/icmpv6.h:28 [inline] icmpv6_send include/linux/icmpv6.h:49 [inline] ip6_link_failure+0x2d/0x4f0 net/ipv6/route.c:2297 dst_link_failure include/net/dst.h:438 [inline] ip_tunnel_xmit+0x19d2/0x3850 net/ipv4/ip_tunnel.c:796 erspan_xmit+0xd6e/0x27e0 net/ipv4/ip_gre.c:759 __netdev_start_xmit include/linux/netdevice.h:4349 [inline] netdev_start_xmit include/linux/netdevice.h:4363 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x920 net/core/dev.c:3272 sch_direct_xmit+0x2d6/0xf70 net/sched/sch_generic.c:332 qdisc_restart net/sched/sch_generic.c:395 [inline] __qdisc_run+0x4d0/0x1640 net/sched/sch_generic.c:403 qdisc_run include/net/pkt_sched.h:120 [inline] __dev_xmit_skb net/core/dev.c:3451 [inline] __dev_queue_xmit+0x2102/0x2e00 net/core/dev.c:3807 neigh_resolve_output+0x55a/0x910 net/core/neighbour.c:1374 neigh_output include/net/neighbour.h:501 [inline] ip6_finish_output2+0x113d/0x2290 net/ipv6/ip6_output.c:120 ip6_finish_output+0x89b/0x10f0 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x770 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] rawv6_send_hdrinc net/ipv6/raw.c:692 [inline] rawv6_sendmsg+0x202c/0x36a0 net/ipv6/raw.c:947 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 sock_write_iter+0x287/0x3c0 net/socket.c:966 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fdb931a7409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fdb91b1c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdb932b9f80 RCX: 00007fdb931a7409 RDX: 0000000000000050 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007fdb93202367 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1ec367bf R14: 00007fdb91b1c300 R15: 0000000000022000 syz-executor.2 (32757) used greatest stack depth: 20728 bytes left audit: type=1804 audit(1663388375.180:282): pid=367 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir3542514773/syzkaller.mau7a4/326/file1/bus" dev="loop0" ino=163 res=1 attempt to access beyond end of device audit: type=1800 audit(1663388375.180:283): pid=367 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="loop0" ino=163 res=0 loop0: rw=0, want=88, limit=87 ldm_validate_partition_table(): Disk read failed. Dev loop7: unable to read RDB block 0 loop7: unable to read partition table encrypted_key: keylen parameter is missing loop_reread_partitions: partition scan of loop7 (@ܸ%2xZ?h2~*2l:QGJR BHH) failed (rc=-5) encrypted_key: keylen parameter is missing NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) NILFS (loop2): unrecognized mount option "no " encrypted_key: keylen parameter is missing audit: type=1326 audit(1663388376.470:284): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=500 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 NILFS (loop2): unrecognized mount option "no " wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 audit: type=1326 audit(1663388376.470:285): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=500 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 FAT-fs (loop0): Unrecognized mount option "uid=1549ed70-7e7a-3af7-38ae-X2a_0350" or missing value audit: type=1326 audit(1663388376.540:286): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=547 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) kauditd_printk_skb: 79 callbacks suppressed audit: type=1326 audit(1663388376.900:366): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 NILFS (loop2): unrecognized mount option "no " audit: type=1326 audit(1663388376.910:367): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=157 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.910:368): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.910:369): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=46 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.960:370): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 FAT-fs (loop0): Unrecognized mount option "uid=1549ed70-7e7a-3af7-38ae-X2a_0350" or missing value audit: type=1326 audit(1663388376.970:371): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.970:372): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=46 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.970:373): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 audit: type=1326 audit(1663388376.980:374): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=157 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 FAT-fs (loop0): Unrecognized mount option "uid=1549ed70-7e7a-3af7-38ae-X2a_0350" or missing value audit: type=1326 audit(1663388376.990:375): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=580 comm="syz-executor.5" exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7fbdd6a63409 code=0x7ffc0000 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 capability: warning: `syz-executor.2' uses deprecated v2 capabilities in a way that may be insecure ISO 9660 Extensions: Microsoft Joliet Level 3 ISOFS: changing to secondary root FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 1190 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline] netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892 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: 0033:0x7fbdd6a63409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fbdd53d8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbdd6b75f80 RCX: 00007fbdd6a63409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fbdd53d81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff7ea9014f R14: 00007fbdd53d8300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 1233 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x244/0x3b0 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline] netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892 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: 0033:0x7fbdd6a63409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fbdd53d8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbdd6b75f80 RCX: 00007fbdd6a63409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fbdd53d81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff7ea9014f R14: 00007fbdd53d8300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 1305 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline] netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892 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: 0033:0x7fdb931a7409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fdb91b1c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb932b9f80 RCX: 00007fdb931a7409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fdb91b1c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe1ec367bf R14: 00007fdb91b1c300 R15: 0000000000022000 CPU: 0 PID: 1306 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x3f/0x370 mm/slab.c:3557 skb_clone+0x151/0x3d0 net/core/skbuff.c:1293 __netlink_deliver_tap_skb net/netlink/af_netlink.c:296 [inline] __netlink_deliver_tap net/netlink/af_netlink.c:321 [inline] netlink_deliver_tap+0x955/0xb00 net/netlink/af_netlink.c:334 netlink_deliver_tap_kernel net/netlink/af_netlink.c:343 [inline] netlink_unicast_kernel net/netlink/af_netlink.c:1324 [inline] netlink_unicast+0x545/0x690 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: 0033:0x7fbdd6a63409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fbdd53d8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbdd6b75f80 RCX: 00007fbdd6a63409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fbdd53d81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff7ea9014f R14: 00007fbdd53d8300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 1359 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x244/0x3b0 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] netlink_alloc_large_skb net/netlink/af_netlink.c:1197 [inline] netlink_sendmsg+0x9f6/0xc50 net/netlink/af_netlink.c:1892 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: 0033:0x7fdb931a7409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fdb91b1c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fdb932b9f80 RCX: 00007fdb931a7409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fdb91b1c1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe1ec367bf R14: 00007fdb91b1c300 R15: 0000000000022000 CPU: 1 PID: 1364 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x245/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] nlmsg_new include/net/netlink.h:511 [inline] rtmsg_ifinfo_build_skb+0x72/0x1a0 net/core/rtnetlink.c:3353 rtmsg_ifinfo_event net/core/rtnetlink.c:3389 [inline] rtmsg_ifinfo_event net/core/rtnetlink.c:3380 [inline] rtmsg_ifinfo+0x83/0x120 net/core/rtnetlink.c:3398 netdev_state_change net/core/dev.c:1351 [inline] netdev_state_change+0x114/0x130 net/core/dev.c:1342 xfrmi_update net/xfrm/xfrm_interface.c:537 [inline] xfrmi_changelink+0x3b8/0x5c0 net/xfrm/xfrm_interface.c:705 rtnl_newlink+0xccb/0x15c0 net/core/rtnetlink.c:3059 rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463 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: 0033:0x7fbdd6a63409 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007fbdd53d8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbdd6b75f80 RCX: 00007fbdd6a63409 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007fbdd53d81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff7ea9014f R14: 00007fbdd53d8300 R15: 0000000000022000