NILFS (loop1): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop5): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:458:7 shift exponent -1 is negative CPU: 1 PID: 14814 Comm: syz-executor.0 Not tainted 4.19.148-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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_mount.c:385:25 shift exponent 63 is too large for 32-bit type 'int' CPU: 0 PID: 15055 Comm: syz-executor.0 Not tainted 4.19.148-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: 0033:0x460bca 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop1): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device XFS (loop2): Invalid superblock magic number NILFS (loop1): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device NILFS (loop3): couldn't find nilfs on the device NILFS (loop4): couldn't find nilfs on the device NILFS (loop5): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:126:7 shift exponent -512 is negative CPU: 0 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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: 0033:0x460bca 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_xtree.c:166:62 shift exponent 524 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 xtLookup.cold+0x1a/0x1f fs/jfs/jfs_xtree.c:166 metapage_get_blocks+0x23b/0x310 fs/jfs/jfs_metapage.c:262 metapage_readpage+0x63e/0x8d0 fs/jfs/jfs_metapage.c:503 do_read_cache_page+0x533/0x1080 mm/filemap.c:2828 read_mapping_page include/linux/pagemap.h:402 [inline] __get_metapage+0x28c/0x1480 fs/jfs/jfs_metapage.c:634 diMount+0x108/0x860 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: 0033:0x460bca 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_dmap.c:181:7 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 dbMount.cold+0x17/0x1c fs/jfs/jfs_dmap.c:181 jfs_mount+0x124/0x3d0 fs/jfs/jfs_mount.c:132 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ NILFS (loop3): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:444:36 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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+0x39/0x3e fs/jfs/jfs_imap.c:444 jfs_mount+0x25b/0x3d0 fs/jfs/jfs_mount.c:149 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:2674:10 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 diIAGRead.cold+0x1b/0x20 fs/jfs/jfs_imap.c:2674 diRead+0x182/0x8a0 fs/jfs/jfs_imap.c:330 jfs_iget+0x82/0x4d0 fs/jfs/inode.c:47 jfs_fill_super+0x657/0xb50 fs/jfs/super.c:613 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ NILFS (loop4): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:352:10 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 diRead.cold+0xf6/0x195 fs/jfs/jfs_imap.c:352 jfs_iget+0x82/0x4d0 fs/jfs/inode.c:47 jfs_fill_super+0x657/0xb50 fs/jfs/super.c:613 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:360:17 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 diRead.cold+0x18/0x195 fs/jfs/jfs_imap.c:360 jfs_iget+0x82/0x4d0 fs/jfs/inode.c:47 jfs_fill_super+0x657/0xb50 fs/jfs/super.c:613 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:378:7 shift exponent -512 is negative CPU: 1 PID: 15392 Comm: syz-executor.0 Not tainted 4.19.148-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 diRead.cold+0x35/0x195 fs/jfs/jfs_imap.c:378 jfs_iget+0x82/0x4d0 fs/jfs/inode.c:47 jfs_fill_super+0x657/0xb50 fs/jfs/super.c:613 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:00007f7a9d8d6a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7a9d8d6b20 RCX: 0000000000460bca RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a9d8d6ae0 RBP: 00007f7a9d8d6ae0 R08: 00007f7a9d8d6b20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020065600 ================================================================================ NILFS (loop5): couldn't find nilfs on the device NILFS (loop1): couldn't find nilfs on the device ================================================================================ UBSAN: Undefined behaviour in fs/jfs/jfs_imap.c:230:7 shift exponent -512 is negative CPU: 0 PID: 6514 Comm: syz-executor.0 Not tainted 4.19.148-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 diSync.cold+0x17/0x1c fs/jfs/jfs_imap.c:230 diUnmount+0xba/0x120 fs/jfs/jfs_imap.c:200 jfs_umount+0xce/0x310 fs/jfs/jfs_umount.c:76 jfs_put_super+0x61/0x140 fs/jfs/super.c:223 generic_shutdown_super+0x144/0x370 fs/super.c:456 kill_block_super+0x97/0xf0 fs/super.c:1185 deactivate_locked_super+0x8c/0x100 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1da/0x300 fs/namespace.c:1098 task_work_run+0x141/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x269/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x57c/0x670 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x460ba7 Code: 64 89 04 25 d0 02 00 00 58 5f ff d0 48 89 c7 e8 2f be ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 RSP: 002b:00007ffd34d8c098 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000460ba7 RDX: 00000000004031b8 RSI: 0000000000000002 RDI: 00007ffd34d8c140 RBP: 00000000000007da R08: 0000000000000000 R09: 000000000000000b R10: 0000000000000005 R11: 0000000000000246 R12: 00007ffd34d8d1d0 R13: 00000000017bba60 R14: 0000000000000000 R15: 00007ffd34d8d1d0 ================================================================================ NILFS (loop5): couldn't find nilfs on the device