ubi0: max/mean erase counter: 0/0, WL threshold: 4096, image sequence number: 4103851111
ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
ubi0: background thread "ubi_bgt0d" started, PID 11026
ubi0: detaching mtd0
ubi0: mtd0 is detached
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 10958 Comm: syz-executor.2 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 register_lock_class+0x389/0x1180 kernel/locking/lockdep.c:768
 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
 flush_work+0xad/0x770 kernel/workqueue.c:2890
 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2965
 smc_close_active+0x7e2/0xbb0 net/smc/smc_close.c:207
 smc_release+0x3e1/0x5d0 net/smc/af_smc.c:131
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 get_signal+0x18a3/0x1ca0 kernel/signal.c:2223
 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:792
 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fa2eb6b80f9
RSP: 002b:00007fa2e9bc7168 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: fffffffffffffdfe RBX: 00007fa2eb7d81f0 RCX: 00007fa2eb6b80f9
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000040
RBP: 00007fa2eb713ae9 R08: 00000000200001c0 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc9513e11f R14: 00007fa2e9bc7300 R15: 0000000000022000
ubi0: attaching mtd0
ubi0: scanning is finished
ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
ubi0: VID header offset: 64 (aligned 64), data offset: 128
ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 4103851111
ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
ubi0: background thread "ubi_bgt0d" started, PID 11071
ubi0: detaching mtd0
ubi0: mtd0 is detached
print_req_error: I/O error, dev loop2, sector 0
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 0
Buffer I/O error on dev loop2, logical block 0, async page read
print_req_error: I/O error, dev loop2, sector 24
Buffer I/O error on dev loop2, logical block 3, async page read
device bond2 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready
8021q: adding VLAN 0 to HW filter on device bond2
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.2'.
device ‰ entered promiscuous mode
ubi0: attaching mtd0
ubi0: scanning is finished
ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
ubi0: VID header offset: 64 (aligned 64), data offset: 128
ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 4103851111
ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
ubi0: detaching mtd0
ubi0: mtd0 is detached
ubi0: attaching mtd0
ubi0: scanning is finished
device bond3 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready
8021q: adding VLAN 0 to HW filter on device bond3
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.2'.
ubi0: attached mtd0 (name "mtdram test device", size 0 MiB)
ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes
ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1
ubi0: VID header offset: 64 (aligned 64), data offset: 128
ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0
ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23
ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 4103851111
ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0
ubi0: detaching mtd0
ubi0: mtd0 is detached
device bond4 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready
8021q: adding VLAN 0 to HW filter on device bond4
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.5'.
device ‰ entered promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'.
kauditd_printk_skb: 58 callbacks suppressed
audit: type=1804 audit(1677686179.880:22): pid=11330 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/47/bus" dev="sda1" ino=14157 res=1
audit: type=1800 audit(1677686179.880:23): pid=11330 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14157 res=0
audit: type=1804 audit(1677686179.940:24): pid=11331 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/47/bus" dev="sda1" ino=14157 res=1
device bond1 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
8021q: adding VLAN 0 to HW filter on device bond1
audit: type=1804 audit(1677686180.790:25): pid=11415 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/48/bus" dev="sda1" ino=14159 res=1
audit: type=1800 audit(1677686180.790:26): pid=11415 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14159 res=0
audit: type=1804 audit(1677686181.220:27): pid=11413 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/48/bus" dev="sda1" ino=14159 res=1
device bond2 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready
8021q: adding VLAN 0 to HW filter on device bond2
nla_parse: 2 callbacks suppressed
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 2168 bytes leftover after parsing attributes in process `syz-executor.1'.
audit: type=1804 audit(1677686181.670:28): pid=11451 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/49/bus" dev="sda1" ino=14139 res=1
audit: type=1800 audit(1677686181.670:29): pid=11451 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14139 res=0
audit: type=1804 audit(1677686181.730:30): pid=11452 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir3976950665/syzkaller.OzJPXw/49/bus" dev="sda1" ino=14139 res=1
audit: type=1804 audit(1677686182.040:31): pid=11462 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir2323337212/syzkaller.Q7JMzN/58/bus" dev="sda1" ino=14164 res=1
device bond3 entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready
8021q: adding VLAN 0 to HW filter on device bond3
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
kauditd_printk_skb: 14 callbacks suppressed
audit: type=1804 audit(1677686185.680:46): pid=11573 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir2577533773/syzkaller.xfgylE/62/bus" dev="sda1" ino=14178 res=1
audit: type=1800 audit(1677686185.680:47): pid=11573 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="bus" dev="sda1" ino=14178 res=0
audit: type=1804 audit(1677686185.750:48): pid=11573 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir2577533773/syzkaller.xfgylE/62/bus" dev="sda1" ino=14178 res=1
audit: type=1804 audit(1677686186.080:49): pid=11607 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir2323337212/syzkaller.Q7JMzN/60/bus" dev="sda1" ino=14156 res=1
audit: type=1800 audit(1677686186.080:50): pid=11607 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="bus" dev="sda1" ino=14156 res=0
audit: type=1804 audit(1677686186.140:51): pid=11608 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir2323337212/syzkaller.Q7JMzN/60/bus" dev="sda1" ino=14156 res=1
BTRFS info (device loop5): enabling inode map caching
BTRFS info (device loop5): trying to use backup root at mount time
BTRFS info (device loop5): use zlib compression
BTRFS info (device loop5): enabling ssd optimizations
BTRFS info (device loop5): using spread ssd allocation scheme
BTRFS info (device loop5): using free space tree
BTRFS info (device loop5): has skinny extents