8021q: adding VLAN 0 to HW filter on device bond3 UDF-fs: warning (device loop0): udf_load_vrs: No VRS found bond0: Enslaving bond3 as an active interface with an up link ============================= WARNING: suspicious RCU usage 4.14.306-syzkaller #0 Not tainted ----------------------------- net/sched/act_sample.c:95 suspicious rcu_dereference_protected() usage! other info that might help us debug this: UDF-fs: Scanning with blocksize 512 failed rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor.5/11617: UDF-fs: warning (device loop0): udf_load_vrs: No VRS found #0: (rtnl_mutex){+.+.}, at: [] rtnl_lock net/core/rtnetlink.c:72 [inline] #0: (rtnl_mutex){+.+.}, at: [] rtnetlink_rcv_msg+0x31d/0xb10 net/core/rtnetlink.c:4317 stack backtrace: CPU: 1 PID: 11617 Comm: syz-executor.5 Not tainted 4.14.306-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 UDF-fs: Scanning with blocksize 1024 failed Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 tcf_sample_init+0x71c/0x8c0 net/sched/act_sample.c:95 tcf_action_init_1+0x51a/0x9e0 net/sched/act_api.c:691 tcf_action_init+0x26d/0x400 net/sched/act_api.c:760 tcf_action_add net/sched/act_api.c:1088 [inline] tc_ctl_action+0x2e3/0x510 net/sched/act_api.c:1140 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4322 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2461 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x651/0xbc0 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f3a05d220f9 RSP: 002b:00007f3a04294168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3a05e41f80 RCX: 00007f3a05d220f9 RDX: 0000000000000000 RSI: 0000000020002980 RDI: 0000000000000004 RBP: 00007f3a05d7dae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe69d693df R14: 00007f3a04294300 R15: 0000000000022000 UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) kauditd_printk_skb: 12 callbacks suppressed audit: type=1800 audit(1677154827.152:45): pid=11605 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="loop0" ino=842 res=0 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: warning (device loop2): udf_load_vrs: No VRS found audit: type=1800 audit(1677154828.902:46): pid=11689 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="loop0" ino=842 res=0 UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1800 audit(1677154829.752:47): pid=11712 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="loop2" ino=842 res=0 UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) F2FS-fs (loop5): Found nat_bits in checkpoint audit: type=1800 audit(1677154831.532:48): pid=11769 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="loop0" ino=842 res=0 audit: type=1800 audit(1677154831.602:49): pid=11786 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="loop2" ino=842 res=0 F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 audit: type=1804 audit(1677154831.902:50): pid=11752 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir77701136/syzkaller.150017/68/file0/bus" dev="loop5" ino=10 res=1 audit: type=1804 audit(1677154831.932:51): pid=11752 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir77701136/syzkaller.150017/68/file0/bus" dev="loop5" ino=10 res=1 UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 512 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1800 audit(1677154832.472:52): pid=11823 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="loop0" ino=842 res=0 UDF-fs: warning (device loop2): udf_load_vrs: No VRS found attempt to access beyond end of device UDF-fs: Scanning with blocksize 512 failed loop5: rw=2049, want=45104, limit=40427 UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop2): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) audit: type=1800 audit(1677154833.112:53): pid=11835 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="bus" dev="loop2" ino=842 res=0 EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1677154833.522:54): pid=11855 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3063079531/syzkaller.492Ysu/71/file0/bus" dev="loop3" ino=18 res=1 F2FS-fs (loop5): Found nat_bits in checkpoint audit: type=1804 audit(1677154833.542:55): pid=11855 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir3063079531/syzkaller.492Ysu/71/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop3): Online defrag not supported with bigalloc EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): This should not happen!! Data will be lost EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 EXT4-fs (loop3): free_blocks=2415919104 audit: type=1804 audit(1677154833.772:56): pid=11870 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir77701136/syzkaller.150017/69/file0/bus" dev="loop5" ino=10 res=1 EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 audit: type=1804 audit(1677154833.802:57): pid=11870 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir77701136/syzkaller.150017/69/file0/bus" dev="loop5" ino=10 res=1 9pnet: p9_errstr2errno: server reported unknown error ¾2EŒT 9pnet: p9_errstr2errno: server reported unknown error ¾2EŒT attempt to access beyond end of device ntfs: volume version 3.1. loop5: rw=2049, want=45104, limit=40427 print_req_error: I/O error, dev loop3, sector 0 9pnet: p9_errstr2errno: server reported unknown error ¾2EŒT 9pnet: p9_errstr2errno: server reported unknown error ¾2EŒT EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue ntfs: volume version 3.1. audit: type=1804 audit(1677154835.412:58): pid=11905 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3063079531/syzkaller.492Ysu/72/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs error (device loop3): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters EXT4-fs (loop3): Online defrag not supported with bigalloc audit: type=1804 audit(1677154835.432:59): pid=11905 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir3063079531/syzkaller.492Ysu/72/file0/bus" dev="loop3" ino=18 res=1 EXT4-fs (loop4): Online defrag not supported with bigalloc EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop4): This should not happen!! Data will be lost EXT4-fs (loop3): This should not happen!! Data will be lost audit: type=1804 audit(1677154835.492:60): pid=11912 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir3507882223/syzkaller.KH2LAI/89/file0/bus" dev="loop4" ino=18 res=1 EXT4-fs (loop4): Total free blocks count 0 audit: type=1804 audit(1677154835.512:61): pid=11912 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir3507882223/syzkaller.KH2LAI/89/file0/bus" dev="loop4" ino=18 res=1 EXT4-fs (loop3): Total free blocks count 0 EXT4-fs (loop3): Free/Dirty block details EXT4-fs (loop3): free_blocks=2415919104 EXT4-fs (loop4): Free/Dirty block details EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop3): dirty_blocks=16 EXT4-fs (loop4): free_blocks=2415919104 EXT4-fs (loop4): dirty_blocks=16 EXT4-fs (loop3): Block reservation details EXT4-fs (loop3): i_reserved_data_blocks=1 EXT4-fs (loop4): Block reservation details EXT4-fs (loop4): i_reserved_data_blocks=1 EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs error (device loop1): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters F2FS-fs (loop5): Found nat_bits in checkpoint EXT4-fs (loop1): Online defrag not supported with bigalloc EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 EXT4-fs (loop1): This should not happen!! Data will be lost EXT4-fs (loop1): Total free blocks count 0 EXT4-fs (loop1): Free/Dirty block details EXT4-fs (loop1): free_blocks=2415919104 EXT4-fs (loop1): dirty_blocks=16 EXT4-fs (loop1): Block reservation details F2FS-fs (loop5): Mounted with checkpoint version = 48b305e5 EXT4-fs (loop1): i_reserved_data_blocks=1 EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28