NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25
shift exponent 6156 is too large for 32-bit type 'int'
CPU: 0 PID: 20071 Comm: syz-executor.3 Not tainted 4.19.146-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
 chkSuper.cold+0x1e/0x98 fs/jfs/jfs_mount.c:385
 jfs_mount+0x47/0x3d0 fs/jfs/jfs_mount.c:94
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x46004a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f7998275a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7998275b20 RCX: 000000000046004a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7998275ae0
RBP: 00007f7998275ae0 R08: 00007f7998275b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000040 R15: 0000000020000140
================================================================================
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7
shift exponent -6144 is negative
CPU: 0 PID: 20071 Comm: syz-executor.3 Not tainted 4.19.146-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
 diReadSpecial.cold+0x1b/0x3e fs/jfs/jfs_imap.c:458
 jfs_mount+0x83/0x3d0 fs/jfs/jfs_mount.c:98
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x46004a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f7998275a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7998275b20 RCX: 000000000046004a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7998275ae0
RBP: 00007f7998275ae0 R08: 00007f7998275b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000040 R15: 0000000020000140
================================================================================
================================================================================
UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:126:7
shift exponent -6144 is negative
CPU: 0 PID: 20071 Comm: syz-executor.3 Not tainted 4.19.146-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
 diMount.cold+0x17/0x1c fs/jfs/jfs_imap.c:126
 jfs_mount+0xbf/0x3d0 fs/jfs/jfs_mount.c:111
 jfs_fill_super+0x55c/0xb50 fs/jfs/super.c:589
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x318 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x51c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x46004a
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f7998275a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7998275b20 RCX: 000000000046004a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7998275ae0
RBP: 00007f7998275ae0 R08: 00007f7998275b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000040 R15: 0000000020000140
================================================================================
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
buffer_io_error: 107 callbacks suppressed
Buffer I/O error on dev loop4p1, logical block 16256, async page read
Buffer I/O error on dev loop4p1, logical block 16257, async page read
Buffer I/O error on dev loop4p1, logical block 16258, async page read
Buffer I/O error on dev loop4p1, logical block 16259, async page read
Buffer I/O error on dev loop4p2, logical block 32512, async page read
Buffer I/O error on dev loop4p2, logical block 32513, async page read
Buffer I/O error on dev loop4p2, logical block 32514, async page read
Buffer I/O error on dev loop4p2, logical block 32515, async page read
Buffer I/O error on dev loop4p2, logical block 32516, async page read
Buffer I/O error on dev loop4p2, logical block 32517, async page read
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
print_req_error: 86 callbacks suppressed
print_req_error: I/O error, dev loop4, sector 32522
print_req_error: I/O error, dev loop4, sector 32537
print_req_error: I/O error, dev loop4, sector 32640
print_req_error: I/O error, dev loop4, sector 32522
print_req_error: I/O error, dev loop4, sector 32524
print_req_error: I/O error, dev loop4, sector 32526
print_req_error: I/O error, dev loop4, sector 32528
print_req_error: I/O error, dev loop4, sector 32537
print_req_error: I/O error, dev loop4, sector 32538
print_req_error: I/O error, dev loop4, sector 32539
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
buffer_io_error: 29 callbacks suppressed
Buffer I/O error on dev loop4p1, logical block 16256, async page read
Buffer I/O error on dev loop4p1, logical block 16257, async page read
Buffer I/O error on dev loop4p1, logical block 16258, async page read
Buffer I/O error on dev loop4p1, logical block 16259, async page read
sch_tbf: peakrate 240 is lower than or equals to rate 5340312393123682526 !
sch_tbf: peakrate 240 is lower than or equals to rate 5340312393123682526 !
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
Buffer I/O error on dev loop4p2, logical block 32512, async page read
Buffer I/O error on dev loop4p2, logical block 32513, async page read
Buffer I/O error on dev loop4p2, logical block 32514, async page read
Buffer I/O error on dev loop4p2, logical block 32515, async page read
Buffer I/O error on dev loop4p2, logical block 32516, async page read
Buffer I/O error on dev loop4p2, logical block 32517, async page read
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 4096)
NILFS (loop1): mounting unchecked fs
NILFS (loop1): invalid segment: Checksum error in segment payload
NILFS (loop1): unable to fall back to spare super block