ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25 shift exponent -14836 is negative CPU: 0 PID: 20567 Comm: syz-executor.4 Not tainted 4.19.149-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: 0033:0x4607ea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 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 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f1f9b9baa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1f9b9bab20 RCX: 00000000004607ea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f1f9b9baae0 RBP: 00007f1f9b9baae0 R08: 00007f1f9b9bab20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200 ================================================================================ ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7 shift exponent 14848 is too large for 32-bit type 'unsigned int' CPU: 0 PID: 20567 Comm: syz-executor.4 Not tainted 4.19.149-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: 0033:0x4607ea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 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 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f1f9b9baa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1f9b9bab20 RCX: 00000000004607ea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f1f9b9baae0 RBP: 00007f1f9b9baae0 R08: 00007f1f9b9bab20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:126:7 shift exponent 14848 is too large for 32-bit type 'int' CPU: 1 PID: 20567 Comm: syz-executor.4 Not tainted 4.19.149-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: 0033:0x4607ea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 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 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007f1f9b9baa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1f9b9bab20 RCX: 00000000004607ea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f1f9b9baae0 RBP: 00007f1f9b9baae0 R08: 00007f1f9b9bab20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 000000002006d200 ================================================================================ ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de EXT4-fs (loop5): bad geometry: block count 256 exceeds size of device (2 blocks) ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de EXT4-fs (loop5): bad geometry: block count 256 exceeds size of device (2 blocks) ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 64 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de audit: type=1400 audit(1601670894.461:82): avc: denied { name_bind } for pid=20757 comm="syz-executor.3" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 audit: type=1400 audit(1601670894.491:83): avc: denied { node_bind } for pid=20757 comm="syz-executor.3" src=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de audit: type=1400 audit(1601670894.491:84): avc: denied { name_connect } for pid=20757 comm="syz-executor.3" dest=20000 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 64 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 64 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 64 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de audit: type=1800 audit(1601670898.201:85): pid=21037 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="file1" dev="sda1" ino=16347 res=0 audit: type=1804 audit(1601670898.241:86): pid=21045 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir369854181/syzkaller.zrdzkV/793/file1" dev="sda1" ino=16380 res=1 ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de audit: type=1804 audit(1601670898.391:87): pid=21058 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir282845622/syzkaller.uNeacr/794/file1" dev="sda1" ino=16372 res=1 ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. capability: warning: `syz-executor.2' uses deprecated v2 capabilities in a way that may be insecure netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1800 audit(1601670899.381:88): pid=21154 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="file1" dev="sda1" ino=16331 res=0 netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de audit: type=1804 audit(1601670899.741:89): pid=21192 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir369854181/syzkaller.zrdzkV/801/file1" dev="sda1" ino=16349 res=1 netlink: 104 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 80 bytes leftover after parsing attributes in process `syz-executor.5'. ax25_connect(): syz-executor.1 uses autobind, please contact jreuter@yaina.de netlink: 80 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 80 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 72 bytes leftover after parsing attributes in process `syz-executor.5'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=21296 comm=syz-executor.0 netlink: 72 bytes leftover after parsing attributes in process `syz-executor.5'. audit: type=1800 audit(1601670901.561:90): pid=21352 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.3" name="file1" dev="sda1" ino=16346 res=0