F2FS-fs (loop1): inconsistent node block, nid:3, node_footer[nid:0,ino:0,ofs:0,cpver:0,blkaddr:0] F2FS-fs (loop1): Failed to read root inode ================================================================================ UBSAN: Undefined behaviour in arch/x86/kernel/uprobes.c:276:56 index 4 is out of range for type 'insn_byte_t [4]' CPU: 1 PID: 13840 Comm: syz-executor.0 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_out_of_bounds.cold+0x63/0x6f lib/ubsan.c:383 is_prefix_bad arch/x86/kernel/uprobes.c:276 [inline] uprobe_init_insn arch/x86/kernel/uprobes.c:299 [inline] arch_uprobe_analyze_insn+0x9d8/0xaa0 arch/x86/kernel/uprobes.c:868 prepare_uprobe kernel/events/uprobes.c:611 [inline] install_breakpoint kernel/events/uprobes.c:654 [inline] uprobe_mmap+0x8c2/0xa70 kernel/events/uprobes.c:1096 mmap_region+0x552/0x1510 mm/mmap.c:1803 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 F2FS-fs (loop1): Magic Mismatch, valid(0xf2f52010) - read(0x0) do_mmap_pgoff include/linux/mm.h:2326 [inline] vm_mmap_pgoff+0x197/0x200 mm/util.c:357 F2FS-fs (loop1): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop1): invalid crc value ksys_mmap_pgoff+0x2d1/0x660 mm/mmap.c:1580 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45dd99 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f0897defc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000021400 RCX: 000000000045dd99 RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020007000 RBP: 000000000118bf78 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000000412 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffda5a2eaff R14: 00007f0897df09c0 R15: 000000000118bf2c ================================================================================ pit: kvm: requested 108952 ns i8254 timer period limited to 200000 ns pit: kvm: requested 39390 ns i8254 timer period limited to 200000 ns pit: kvm: requested 84647 ns i8254 timer period limited to 200000 ns pit: kvm: requested 39390 ns i8254 timer period limited to 200000 ns pit: kvm: requested 96381 ns i8254 timer period limited to 200000 ns pit: kvm: requested 82971 ns i8254 timer period limited to 200000 ns pit: kvm: requested 10895 ns i8254 timer period limited to 200000 ns pit: kvm: requested 154209 ns i8254 timer period limited to 200000 ns pit: kvm: requested 67885 ns i8254 timer period limited to 200000 ns pit: kvm: requested 12571 ns i8254 timer period limited to 200000 ns IPv6: NLM_F_CREATE should be specified when creating new route netlink: 'syz-executor.4': attribute type 1 has an invalid length. netlink: 144 bytes leftover after parsing attributes in process `syz-executor.4'.