BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:101/ccid3_update_send_interval() EXT4-fs (loop1): error: journal path ./file0 is not a block device CPU: 0 PID: 11576 Comm: syz-executor.3 Not tainted 4.19.211-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+0x1fc/0x2ef lib/dump_stack.c:118 ccid3_update_send_interval.cold+0x87/0x93 net/dccp/ccids/ccid3.c:101 ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:178 [inline] ccid3_hc_tx_packet_sent+0x12e/0x160 net/dccp/ccids/ccid3.c:361 ccid_hc_tx_packet_sent net/dccp/ccid.h:178 [inline] dccp_xmit_packet+0x27e/0x760 net/dccp/output.c:289 dccp_write_xmit+0x16d/0x1d0 net/dccp/output.c:363 dccp_sendmsg+0x8de/0xc90 net/dccp/proto.c:816 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 ___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2227 __sys_sendmmsg+0x195/0x470 net/socket.c:2322 __do_sys_sendmmsg net/socket.c:2351 [inline] __se_sys_sendmmsg net/socket.c:2348 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2348 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe5131dc059 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:00007fe511b0f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fe5132ef100 RCX: 00007fe5131dc059 RDX: 0000000000000001 RSI: 0000000020000fc0 RDI: 0000000000000092 RBP: 00007fe51323608d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff52f726af R14: 00007fe511b0f300 R15: 0000000000022000 MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: get root inode failed kauditd_printk_skb: 60 callbacks suppressed audit: type=1804 audit(1642871616.945:3229): pid=11674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1306/bus" dev="sda1" ino=14313 res=1 audit: type=1804 audit(1642871616.955:3230): pid=11674 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1306/bus" dev="sda1" ino=14313 res=1 EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device audit: type=1804 audit(1642871617.145:3231): pid=11698 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 audit: type=1804 audit(1642871617.175:3232): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 EXT4-fs (loop4): error: journal path ./file0 is not a block device audit: type=1804 audit(1642871617.175:3233): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 audit: type=1804 audit(1642871617.175:3234): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device audit: type=1804 audit(1642871617.175:3235): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 audit: type=1804 audit(1642871617.175:3236): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 audit: type=1804 audit(1642871617.175:3237): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 audit: type=1804 audit(1642871617.175:3238): pid=11694 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1307/bus" dev="sda1" ino=14754 res=1 EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: could not find journal device path: error -2 EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device kauditd_printk_skb: 34 callbacks suppressed audit: type=1804 audit(1642871622.855:3273): pid=12153 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1318/bus" dev="sda1" ino=14327 res=1 EXT4-fs (loop4): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device audit: type=1804 audit(1642871623.785:3274): pid=12202 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1319/bus" dev="sda1" ino=13953 res=1 EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device audit: type=1804 audit(1642871623.996:3275): pid=12243 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir237242513/syzkaller.RkvVlj/1320/bus" dev="sda1" ino=13895 res=1 EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device EXT4-fs (loop4): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop5): error: journal path ./file0 is not a block device EXT4-fs (loop1): error: journal path ./file0 is not a block device EXT4-fs (loop2): error: journal path ./file0 is not a block device MINIX-fs: deleted inode referenced: 1 MINIX-fs: get root inode failed EXT4-fs (loop4): error: journal path ./file0 is not a block device