audit: type=1326 audit(1601070934.950:25): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18337 comm="syz-executor.2" exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x45e179 code=0x7ffc0000 ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25 shift exponent -21516 is negative CPU: 1 PID: 18380 Comm: syz-executor.4 Not tainted 4.19.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 audit: type=1326 audit(1601070934.950:26): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18337 comm="syz-executor.2" exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=228 compat=0 ip=0x460fba code=0x7ffc0000 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 audit: type=1326 audit(1601070934.950:27): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18337 comm="syz-executor.2" exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=157 compat=0 ip=0x45e179 code=0x7ffc0000 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 caif_hsicaif_hsi_newlink: failed to get the cfhsi_ops 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: 0033:0x460bca Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f407f8f9a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f407f8f9b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f407f8f9ae0 RBP: 00007f407f8f9ae0 R08: 00007f407f8f9b20 R09: 0000000020000000 R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020064f00 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7 shift exponent 21528 is too large for 32-bit type 'unsigned int' CPU: 1 PID: 18380 Comm: syz-executor.4 Not tainted 4.19.147-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: 0033:0x460bca Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f407f8f9a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f407f8f9b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f407f8f9ae0 RBP: 00007f407f8f9ae0 R08: 00007f407f8f9b20 R09: 0000000020000000 R10: 0000000000000003 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020064f00 ================================================================================ netlink: 'syz-executor.0': attribute type 18 has an invalid length. Bluetooth: hci5: command 0x0405 tx timeout EXT4-fs (loop5): revision level too high, forcing read-only mode EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 44 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. Bluetooth: hci5: command 0x0405 tx timeout overlayfs: missing 'lowerdir' print_req_error: 29 callbacks suppressed print_req_error: I/O error, dev loop11, sector 64 print_req_error: I/O error, dev loop11, sector 256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 print_req_error: I/O error, dev loop11, sector 512 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed print_req_error: I/O error, dev loop11, sector 64 print_req_error: I/O error, dev loop11, sector 512 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 print_req_error: I/O error, dev loop11, sector 1024 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed print_req_error: I/O error, dev loop11, sector 64 print_req_error: I/O error, dev loop11, sector 1024 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 print_req_error: I/O error, dev loop11, sector 2048 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed print_req_error: I/O error, dev loop11, sector 64 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 512 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop11): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop11): udf_read_tagged: read failed, block=512, location=512 UDF-fs: warning (device loop11): udf_load_vrs: No anchor found UDF-fs: Scanning with blocksize 4096 failed UDF-fs: warning (device loop11): udf_fill_super: No partition found (1) 8021q: VLANs not supported on ipvlan0 audit: type=1804 audit(1601070943.850:28): pid=18665 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir328807986/syzkaller.1GTb53/784/bus" dev="sda1" ino=15843 res=1 audit: type=1804 audit(1601070943.950:29): pid=18667 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir328807986/syzkaller.1GTb53/784/bus" dev="sda1" ino=15843 res=1 audit: type=1804 audit(1601070944.040:30): pid=18627 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir794101763/syzkaller.sIxcz9/592/file0/file0" dev="ramfs" ino=71799 res=1 audit: type=1400 audit(1601070944.190:31): avc: denied { getattr } for pid=18672 comm="syz-executor.0" path="socket:[71465]" dev="sockfs" ino=71465 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 IPVS: ftp: loaded support on port[0] = 21 capability: warning: `syz-executor.0' uses 32-bit capabilities (legacy support in use) audit: type=1400 audit(1601070944.310:32): avc: denied { write } for pid=18672 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=socket permissive=1 audit: type=1804 audit(1601070944.610:33): pid=18667 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir328807986/syzkaller.1GTb53/784/bus" dev="sda1" ino=15843 res=1 IPVS: ftp: loaded support on port[0] = 21 audit: type=1804 audit(1601070944.660:34): pid=18704 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.1" name="/root/syzkaller-testdir328807986/syzkaller.1GTb53/784/bus" dev="sda1" ino=15843 res=1 netlink: 'syz-executor.5': attribute type 5 has an invalid length.