WARNING: possible circular locking dependency detected 4.14.0-rc3+ #114 Not tainted ------------------------------------------------------ loop0/7078 is trying to acquire lock: (sb_writers#5){.+.+}, at: [] file_start_write include/linux/fs.h:2696 [inline] (sb_writers#5){.+.+}, at: [] lo_write_bvec+0x23a/0x3b0 drivers/block/loop.c:271 but now in release context of a crosslock acquired at the following: ((complete)&ret.event){+.+.}, at: [] submit_bio_wait+0x15e/0x200 block/bio.c:953 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 ((complete)&ret.event){+.+.}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 complete_acquire include/linux/completion.h:39 [inline] __wait_for_common kernel/sched/completion.c:108 [inline] wait_for_common_io kernel/sched/completion.c:128 [inline] wait_for_completion_io+0xcb/0x7b0 kernel/sched/completion.c:176 submit_bio_wait+0x15e/0x200 block/bio.c:953 blkdev_issue_zeroout+0x13c/0x1d0 block/blk-lib.c:370 sb_issue_zeroout include/linux/blkdev.h:1368 [inline] ext4_init_inode_table+0x4fd/0xdb1 fs/ext4/ialloc.c:1447 ext4_run_li_request fs/ext4/super.c:2866 [inline] ext4_lazyinit_thread+0x808/0xd30 fs/ext4/super.c:2960 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #4 (&meta_group_info[i]->alloc_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 down_read+0x96/0x150 kernel/locking/rwsem.c:23 __ext4_new_inode+0x26dc/0x4f00 fs/ext4/ialloc.c:1056 ext4_symlink+0x2d9/0xae0 fs/ext4/namei.c:3118 vfs_symlink+0x323/0x560 fs/namei.c:4115 SYSC_symlinkat fs/namei.c:4142 [inline] SyS_symlinkat fs/namei.c:4122 [inline] SYSC_symlink fs/namei.c:4155 [inline] SyS_symlink+0x134/0x200 fs/namei.c:4153 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #3 (jbd2_handle){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 start_this_handle+0x4b8/0x1080 fs/jbd2/transaction.c:390 jbd2__journal_start+0x389/0x9f0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x15f/0x550 fs/ext4/ext4_jbd2.c:80 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x56/0xa0 fs/ext4/inode.c:5859 __mark_inode_dirty+0x912/0x1170 fs/fs-writeback.c:2096 generic_update_time+0x1b2/0x270 fs/inode.c:1649 update_time fs/inode.c:1665 [inline] touch_atime+0x26d/0x2f0 fs/inode.c:1737 file_accessed include/linux/fs.h:2061 [inline] ext4_file_mmap+0x161/0x1b0 fs/ext4/file.c:352 call_mmap include/linux/fs.h:1775 [inline] mmap_region+0xa99/0x15a0 mm/mmap.c:1690 do_mmap+0x6a1/0xd50 mm/mmap.c:1468 do_mmap_pgoff include/linux/mm.h:2150 [inline] vm_mmap_pgoff+0x1de/0x280 mm/util.c:333 SYSC_mmap_pgoff mm/mmap.c:1518 [inline] SyS_mmap_pgoff+0x462/0x5f0 mm/mmap.c:1476 SYSC_mmap arch/x86/kernel/sys_x86_64.c:99 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:90 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #2 (&mm->mmap_sem){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 __might_fault+0x13a/0x1d0 mm/memory.c:4502 _copy_to_user+0x2c/0xc0 lib/usercopy.c:24 copy_to_user include/linux/uaccess.h:154 [inline] filldir+0x1a7/0x320 fs/readdir.c:196 dir_emit_dot include/linux/fs.h:3339 [inline] dir_emit_dots include/linux/fs.h:3350 [inline] dcache_readdir+0x12d/0x5e0 fs/libfs.c:192 iterate_dir+0x4b2/0x5d0 fs/readdir.c:51 SYSC_getdents fs/readdir.c:231 [inline] SyS_getdents+0x225/0x450 fs/readdir.c:212 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #1 (&sb->s_type->i_mutex_key#9){++++}: check_prevs_add kernel/locking/lockdep.c:2020 [inline] validate_chain kernel/locking/lockdep.c:2469 [inline] __lock_acquire+0x328f/0x4620 kernel/locking/lockdep.c:3498 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002 down_write+0x87/0x120 kernel/locking/rwsem.c:53 inode_lock include/linux/fs.h:712 [inline] do_last fs/namei.c:3296 [inline] path_openat+0xd53/0x3520 fs/namei.c:3527 do_filp_open+0x25b/0x3b0 fs/namei.c:3562 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_open fs/open.c:1077 [inline] SyS_open+0x2d/0x40 fs/open.c:1072 entry_SYSCALL_64_fastpath+0x1f/0xbe -> #0 (sb_writers#5){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline] percpu_down_read include/linux/percpu-rwsem.h:58 [inline] __sb_start_write+0x18f/0x290 fs/super.c:1340 file_start_write include/linux/fs.h:2696 [inline] lo_write_bvec+0x23a/0x3b0 drivers/block/loop.c:271 lo_write_transfer drivers/block/loop.c:329 [inline] do_req_filebacked drivers/block/loop.c:573 [inline] loop_handle_cmd drivers/block/loop.c:1705 [inline] loop_queue_work+0x109d/0x3900 drivers/block/loop.c:1719 kthread_worker_fn+0x32b/0x980 kernel/kthread.c:635 loop_kthread_worker_fn+0x51/0x60 drivers/block/loop.c:836 other info that might help us debug this: Chain exists of: sb_writers#5 --> &meta_group_info[i]->alloc_sem --> (complete)&ret.event Possible unsafe locking scenario by crosslock: CPU0 CPU1 ---- ---- lock(&meta_group_info[i]->alloc_sem); lock((complete)&ret.event); lock(sb_writers#5); unlock((complete)&ret.event); *** DEADLOCK *** 1 lock held by loop0/7078: #0: (&x->wait#14){..-.}, at: [] complete+0x18/0x80 kernel/sched/completion.c:34 stack backtrace: CPU: 1 PID: 7078 Comm: loop0 Not tainted 4.14.0-rc3+ #114 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259 check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894 commit_xhlock kernel/locking/lockdep.c:5015 [inline] commit_xhlocks kernel/locking/lockdep.c:5059 [inline] lock_commit_crosslock+0xe59/0x1d00 kernel/locking/lockdep.c:5098 complete_release_commit include/linux/completion.h:49 [inline] complete+0x24/0x80 kernel/sched/completion.c:39 submit_bio_wait_endio+0x9c/0xd0 block/bio.c:930 bio_endio+0x2f8/0x8d0 block/bio.c:1843 req_bio_endio block/blk-core.c:204 [inline] blk_update_request+0x2a6/0xe20 block/blk-core.c:2746 blk_mq_end_request+0x54/0x120 block/blk-mq.c:509 lo_complete_rq+0xbe/0x1f0 drivers/block/loop.c:463 __blk_mq_complete_request+0x38f/0x6c0 block/blk-mq.c:550 blk_mq_complete_request+0x4f/0x60 block/blk-mq.c:570 loop_handle_cmd drivers/block/loop.c:1710 [inline] loop_queue_work+0x26b/0x3900 drivers/block/loop.c:1719 kthread_worker_fn+0x32b/0x980 kernel/kthread.c:635 loop_kthread_worker_fn+0x51/0x60 drivers/block/loop.c:836 kthread+0x39c/0x470 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 loop: Write error at byte offset 18446744073709551614, length 4096. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 13 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor2'. Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable device lo left promiscuous mode netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. 9pnet_virtio: no channels available for device ./file0 QAT: Invalid ioctl 9pnet_virtio: no channels available for device ./file0 QAT: Invalid ioctl device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready kvm: apic: phys broadcast and lowest prio SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1792 sclass=netlink_tcpdiag_socket pig=9098 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=17660 sclass=netlink_route_socket pig=9127 comm=syz-executor1 kvm: apic: phys broadcast and lowest prio SELinux: unrecognized netlink message: protocol=4 nlmsg_type=1792 sclass=netlink_tcpdiag_socket pig=9126 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=17660 sclass=netlink_route_socket pig=9127 comm=syz-executor1 QAT: Invalid ioctl netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl QAT: Invalid ioctl kauditd_printk_skb: 46 callbacks suppressed audit: type=1326 audit(1507138051.954:183): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:184): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:185): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=55 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:186): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:187): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:188): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=54 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:189): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:190): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:191): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=31 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1507138051.954:192): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=9435 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 device lo entered promiscuous mode netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. QAT: Invalid ioctl QAT: Invalid ioctl do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app QAT: Invalid ioctl do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app QAT: Invalid ioctl netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. print_req_error: 216 callbacks suppressed print_req_error: I/O error, dev loop0, sector 0 print_req_error: I/O error, dev loop0, sector 0 buffer_io_error: 208 callbacks suppressed Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read print_req_error: I/O error, dev loop0, sector 0 Buffer I/O error on dev loop0, logical block 0, async page read Buffer I/O error on dev loop0, logical block 0, async page read IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready loop: Write error at byte offset 18446744073709551614, length 4096. loop: Write error at byte offset 18446744073709551614, length 4096. netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008c data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008b data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008a data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000089 data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000088 data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000087 data 0xe0000011 kvm [10028]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000086 data 0xe0000011 *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x000000000000fffa RIP = 0x0000000000000000 RFLAGS=0x00033000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba093 RSP = 0xffff8801d3d4f4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f55ffe4f700 GSBase=ffff8801db300000 TRBase=ffff8801db3231c0 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c7079000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d4d470 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=00000043 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffd112218476 TPR Threshold = 0x00 EPT pointer = 0x00000001cd4d301e kvm: apic: phys broadcast and lowest prio kvm: apic: phys broadcast and lowest prio QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=32672 sclass=netlink_route_socket pig=10160 comm=syz-executor4 QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=32672 sclass=netlink_route_socket pig=10160 comm=syz-executor4 syz0: Invalid MTU 813332851 requested, hw max 65521 TCP: request_sock_TCPv6: Possible SYN flooding on port 20025. Sending cookies. Check SNMP counters. syz0: Invalid MTU 813332851 requested, hw max 65521 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 3 callbacks suppressed netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor3'. rfkill: input handler disabled device lo entered promiscuous mode rfkill: input handler enabled netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor0'. TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending cookies. Check SNMP counters. netlink: 9 bytes leftover after parsing attributes in process `syz-executor0'. QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14917 sclass=netlink_route_socket pig=10740 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=14917 sclass=netlink_route_socket pig=10740 comm=syz-executor7 netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor4'. PF_BRIDGE: br_mdb_parse() with unknown ifindex sock: process `syz-executor2' is using obsolete getsockopt SO_BSDCOMPAT netlink: 7 bytes leftover after parsing attributes in process `syz-executor0'. PF_BRIDGE: br_mdb_parse() with unknown ifindex netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10829 comm=syz-executor0 sctp: [Deprecated]: syz-executor1 (pid 10851) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead IPv6: Can't replace route, no match found handle_userfault: 162 callbacks suppressed FAULT_FLAG_ALLOW_RETRY missing 30 sctp: [Deprecated]: syz-executor1 (pid 10839) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10863 comm=syz-executor3 QAT: Invalid ioctl IPv6: Can't replace route, no match found SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10882 comm=syz-executor3 IPv6: Can't replace route, no match found SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10874 comm=syz-executor0 IPv6: Can't replace route, no match found SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535 sclass=netlink_xfrm_socket pig=10888 comm=syz-executor0