NILFS (loop2): invalid segment: Inconsistency found NILFS (loop2): unable to fall back to spare super block NILFS (loop2): error -22 while searching super root ================================================================================ UBSAN: Undefined behaviour in ./include/net/red.h:272:18 shift exponent 193 is too large for 64-bit type 'long unsigned int' CPU: 0 PID: 12495 Comm: syz-executor.1 Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 red_calc_qavg_from_idle_time include/net/red.h:272 [inline] red_calc_qavg include/net/red.h:313 [inline] red_enqueue+0x2064/0x2200 net/sched/sch_red.c:68 __dev_xmit_skb net/core/dev.c:3494 [inline] __dev_queue_xmit+0x14e1/0x2ec0 net/core/dev.c:3807 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip_output+0x203/0x650 net/ipv4/ip_output.c:406 dst_output include/net/dst.h:455 [inline] ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125 iptunnel_xmit+0x63e/0xa30 net/ipv4/ip_tunnel_core.c:91 geneve_xmit_skb drivers/net/geneve.c:865 [inline] geneve_xmit+0xf46/0x2ac0 drivers/net/geneve.c:938 __netdev_start_xmit include/linux/netdevice.h:4333 [inline] netdev_start_xmit include/linux/netdevice.h:4347 [inline] xmit_one net/core/dev.c:3256 [inline] dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838 neigh_hh_output include/net/neighbour.h:491 [inline] neigh_output include/net/neighbour.h:499 [inline] ip6_finish_output2+0xe78/0x2370 net/ipv6/ip6_output.c:120 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:278 [inline] ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:455 [inline] NF_HOOK include/linux/netfilter.h:289 [inline] ndisc_send_skb+0xa6b/0x1860 net/ipv6/ndisc.c:491 ndisc_send_rs+0x131/0x6a0 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x2d9/0x640 net/ipv6/addrconf.c:3834 call_timer_fn+0x177/0x760 kernel/time/timer.c:1338 expire_timers+0x243/0x500 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1703 [inline] run_timer_softirq+0x259/0x730 kernel/time/timer.c:1716 __do_softirq+0x27d/0xad2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x22d/0x270 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:544 [inline] smp_apic_timer_interrupt+0x15f/0x5d0 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 kernel/kcov.c:100 Code: 04 0f 88 4c 89 25 7c db bc 0b 41 bc f4 ff ff ff e8 c0 7b e9 ff 48 c7 05 66 db bc 0b 00 00 00 00 e9 39 ec ff ff 90 48 8b 34 24 <65> 48 8b 04 25 40 ee 01 00 65 8b 15 5c 1b 90 7e 81 e2 00 01 1f 00 RSP: 0018:ffff8880475d7758 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 8000000000000007 RCX: ffffffff819da2ed RDX: 0000000000000001 RSI: ffffffff819da7a1 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000001 R12: 800000008bda2007 R13: 00007f7a231b0000 R14: dffffc0000000000 R15: ffffea00022f6848 zap_pte_range mm/memory.c:1323 [inline] zap_pmd_range mm/memory.c:1452 [inline] zap_pud_range mm/memory.c:1481 [inline] zap_p4d_range mm/memory.c:1502 [inline] unmap_page_range+0xfa1/0x2ec0 mm/memory.c:1523 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:546 [inline] do_exit+0xb12/0x2d80 kernel/exit.c:874 do_group_exit+0x125/0x320 kernel/exit.c:990 get_signal+0x3f3/0x2270 kernel/signal.c:2588 do_signal+0x8f/0x1690 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x204/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: Bad RIP value. RSP: 002b:00007f7a20b6ccf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000118bf28 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118bf28 RBP: 000000000118bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc8b0785bf R14: 00007f7a20b6d9c0 R15: 000000000118bf2c ================================================================================ netlink: 'syz-executor.4': attribute type 5 has an invalid length. NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): mounting unchecked fs NILFS (loop2): invalid segment: Inconsistency found NILFS (loop2): unable to fall back to spare super block NILFS (loop2): error -22 while searching super root NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): mounting unchecked fs NILFS (loop2): invalid segment: Inconsistency found NILFS (loop2): unable to fall back to spare super block NILFS (loop2): error -22 while searching super root BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): unable to read secondary superblock (blocksize = 1024) EXT4-fs (loop4): bad geometry: first data block 2835515476 is beyond end of filesystem (10) NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) NILFS (loop2): mounting unchecked fs NILFS (loop2): I/O error reading segment NILFS (loop2): error -5 while searching super root BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) EXT4-fs (loop4): bad geometry: first data block 2835515476 is beyond end of filesystem (10) NILFS (loop2): unable to read secondary superblock (blocksize = 1024) NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) NILFS (loop2): mounting unchecked fs NILFS (loop2): I/O error reading segment NILFS (loop2): error -5 while searching super root BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) EXT4-fs (loop4): bad geometry: first data block 2835515476 is beyond end of filesystem (10) syz-executor.4 uses obsolete (PF_INET,SOCK_PACKET) TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): unable to read secondary superblock (blocksize = 1024) NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024) TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. NILFS (loop2): mounting unchecked fs NILFS (loop2): I/O error reading segment NILFS (loop2): error -5 while searching super root BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): couldn't find nilfs on the device device syzkaller1 entered promiscuous mode BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): couldn't find nilfs on the device netlink: 'syz-executor.0': attribute type 21 has an invalid length. netlink: 'syz-executor.0': attribute type 6 has an invalid length. BFS-fs: bfs_fill_super(): No BFS filesystem on loop1 (magic=00000000) NILFS (loop2): couldn't find nilfs on the device netlink: 156 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 'syz-executor.0': attribute type 21 has an invalid length. netlink: 'syz-executor.0': attribute type 6 has an invalid length. netlink: 156 bytes leftover after parsing attributes in process `syz-executor.0'. BFS-fs: bfs_fill_super(): loop1 is unclean, continuing NILFS (loop2): couldn't find nilfs on the device BFS-fs: bfs_fill_super(): Superblock is corrupted NILFS (loop2): couldn't find nilfs on the device device syzkaller1 entered promiscuous mode netlink: 'syz-executor.0': attribute type 21 has an invalid length. netlink: 'syz-executor.0': attribute type 6 has an invalid length. netlink: 156 bytes leftover after parsing attributes in process `syz-executor.0'. BFS-fs: bfs_fill_super(): loop1 is unclean, continuing BFS-fs: bfs_fill_super(): Superblock is corrupted NILFS (loop2): couldn't find nilfs on the device vivid-000: disconnect vivid-000: reconnect vivid-000: disconnect vivid-000: reconnect BFS-fs: bfs_fill_super(): loop1 is unclean, continuing NILFS (loop2): couldn't find nilfs on the device BFS-fs: bfs_fill_super(): Superblock is corrupted netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. BFS-fs: bfs_fill_super(): loop1 is unclean, continuing EXT4-fs (loop0): Unrecognized mount option "" or missing value NILFS (loop2): couldn't find nilfs on the device EXT4-fs (loop0): failed to parse options in superblock:  EXT4-fs (loop0): Couldn't mount because of unsupported optional features (7de80821) BFS-fs: bfs_fill_super(): Superblock is corrupted EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): Unrecognized mount option "" or missing value EXT4-fs (loop0): failed to parse options in superblock:  EXT4-fs (loop0): Couldn't mount because of unsupported optional features (7de80821) netlink: 'syz-executor.3': attribute type 10 has an invalid length. BFS-fs: bfs_fill_super(): loop1 is unclean, continuing team0: Device macvtap0 is up. Set it down before adding it as a team port BFS-fs: bfs_fill_super(): Superblock is corrupted netlink: 'syz-executor.4': attribute type 5 has an invalid length. NILFS (loop2): couldn't find nilfs on the device device batadv0 entered promiscuous mode 8021q: adding VLAN 0 to HW filter on device macvlan2 team0: Port device macvlan2 added netlink: 'syz-executor.4': attribute type 5 has an invalid length. NILFS (loop2): couldn't find nilfs on the device 8021q: adding VLAN 0 to HW filter on device macvlan3 team0: Port device macvlan3 added BFS-fs: bfs_fill_super(): loop1 is unclean, continuing BFS-fs: bfs_fill_super(): Superblock is corrupted netlink: 'syz-executor.4': attribute type 5 has an invalid length. NILFS (loop2): couldn't find nilfs on the device audit: type=1400 audit(1602875915.766:27): avc: denied { write } for pid=12948 comm="syz-executor.0" name="fd" dev="proc" ino=44366 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1602875915.776:28): avc: denied { add_name } for pid=12948 comm="syz-executor.0" name="3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 audit: type=1400 audit(1602875915.776:29): avc: denied { create } for pid=12948 comm="syz-executor.0" name="3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:kernel_t:s0 tclass=file permissive=1 8021q: adding VLAN 0 to HW filter on device macvlan4 BFS-fs: bfs_fill_super(): loop1 is unclean, continuing team0: Port device macvlan4 added BFS-fs: bfs_fill_super(): Superblock is corrupted NILFS (loop2): couldn't find nilfs on the device XFS (loop5): Invalid superblock magic number BFS-fs: bfs_fill_super(): loop1 is unclean, continuing BFS-fs: bfs_fill_super(): Superblock is corrupted NILFS (loop2): couldn't find nilfs on the device netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'. BFS-fs: bfs_fill_super(): loop1 is unclean, continuing BFS-fs: bfs_fill_super(): Superblock is corrupted ptrace attach of "/root/syz-executor.5"[13046] was attempted by "/root/syz-executor.5"[13049] NILFS (loop2): couldn't find nilfs on the device EXT4-fs error (device loop0): ext4_quota_enable:5833: inode #3: comm syz-executor.0: iget: bad i_size value: -5137166445230155776 EXT4-fs error (device loop0): ext4_quota_enable:5835: comm syz-executor.0: Bad quota inode # 3 EXT4-fs warning (device loop0): ext4_enable_quotas:5872: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix. EXT4-fs (loop0): mount failed NILFS (loop2): couldn't find nilfs on the device F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock attempt to access beyond end of device loop5: rw=12288, want=4104, limit=20 attempt to access beyond end of device loop5: rw=12288, want=8200, limit=20 F2FS-fs (loop5): Failed to get valid F2FS checkpoint F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock netlink: 29694 bytes leftover after parsing attributes in process `syz-executor.3'. attempt to access beyond end of device loop5: rw=12288, want=4104, limit=20 netlink: 2 bytes leftover after parsing attributes in process `syz-executor.3'. attempt to access beyond end of device loop5: rw=12288, want=8200, limit=20 EXT4-fs warning (device loop0): ext4_multi_mount_protect:386: Unable to create kmmpd thread for loop0. F2FS-fs (loop5): Failed to get valid F2FS checkpoint netlink: 29694 bytes leftover after parsing attributes in process `syz-executor.3'. Started in network mode Own node identity ac141426, cluster identity 4711 NILFS (loop2): couldn't find nilfs on the device vxcan0: MTU too low for tipc bearer Enabling of bearer rejected, failed to enable media vxcan0: MTU too low for tipc bearer Enabling of bearer rejected, failed to enable media F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) BFS-fs: bfs_fill_super(): loop4 is unclean, continuing F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted attempt to access beyond end of device loop5: rw=12288, want=4104, limit=20 attempt to access beyond end of device loop5: rw=12288, want=8200, limit=20 F2FS-fs (loop5): Failed to get valid F2FS checkpoint F2FS-fs (loop5): Magic Mismatch, valid(0xf2f52010) - read(0x0) attempt to access beyond end of device loop5: rw=12288, want=4104, limit=20 attempt to access beyond end of device loop5: rw=12288, want=8200, limit=20