IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready ERROR: (device loop0): txAbort: kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8223 Comm: syz-executor418 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 task: ffff8880b022a280 task.stack: ffff888099848000 RIP: 0010:txEnd+0x148/0x2d0 fs/jfs/jfs_txnmgr.c:547 RSP: 0018:ffff88809984fb40 EFLAGS: 00010203 RAX: dffffc0000000000 RBX: ffffc900013b8100 RCX: 0000000000000000 RDX: 0000000000000026 RSI: ffff8880b022ab58 RDI: 0000000000000134 RBP: 0000000000000000 R08: ffffc900013b8150 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffc900013b8102 R14: ffff88808b0814a8 R15: ffff88808b0814c4 FS: 00007fba67c7c700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fba6f09e000 CR3: 00000000b611a000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: add_missing_indices fs/jfs/jfs_dtree.c:2968 [inline] jfs_readdir+0x22c1/0x36c0 fs/jfs/jfs_dtree.c:3314 iterate_dir+0x478/0x5e0 fs/readdir.c:54 SYSC_getdents fs/readdir.c:272 [inline] SyS_getdents+0x125/0x240 fs/readdir.c:253 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fba6f8fdfe9 RSP: 002b:00007fba67c7c208 EFLAGS: 00000246 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007fba6f982798 RCX: 00007fba6f8fdfe9 RDX: 000000000000004c RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007fba6f982790 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fba6f98279c R13: 00007ffe3459b99f R14: 00007fba67c7c300 R15: 0000000000022000 Code: 05 fe 22 b7 09 41 0f b7 fc 89 3d f4 22 b7 09 48 8d bd 34 01 00 00 48 89 fa 48 c1 ea 03 66 89 43 28 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: txEnd+0x148/0x2d0 fs/jfs/jfs_txnmgr.c:547 RSP: ffff88809984fb40 ---[ end trace ee44a511df0fd863 ]--- ---------------- Code disassembly (best guess): 0: 05 fe 22 b7 09 add $0x9b722fe,%eax 5: 41 0f b7 fc movzwl %r12w,%edi 9: 89 3d f4 22 b7 09 mov %edi,0x9b722f4(%rip) # 0x9b72303 f: 48 8d bd 34 01 00 00 lea 0x134(%rbp),%rdi 16: 48 89 fa mov %rdi,%rdx 19: 48 c1 ea 03 shr $0x3,%rdx 1d: 66 89 43 28 mov %ax,0x28(%rbx) 21: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 28: fc ff df * 2b: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx <-- trapping instruction 2f: 48 89 f8 mov %rdi,%rax 32: 83 e0 07 and $0x7,%eax 35: 83 c0 03 add $0x3,%eax 38: 38 d0 cmp %dl,%al 3a: 7c 08 jl 0x44 3c: 84 d2 test %dl,%dl 3e: 0f .byte 0xf 3f: 85 .byte 0x85