ERROR: (device loop0): xtTruncate: xt_getpage: xtree page corrupt ------------[ cut here ]------------ kernel BUG at fs/jfs/inode.c:175! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 74 Comm: kswapd0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:jfs_evict_inode+0x438/0x440 fs/jfs/inode.c:175 Code: fe e9 e0 fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 23 fe ff ff 4c 89 f7 e8 93 c1 d8 fe e9 16 fe ff ff e8 19 ef 6c fe 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90000b0f0e0 EFLAGS: 00010293 RAX: ffffffff8358b9f7 RBX: ffff888011e7b1f8 RCX: ffff88801aae8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888011e7b1f8 RBP: 0000000000000010 R08: ffffffff9011ceb7 R09: 1ffffffff20239d6 R10: dffffc0000000000 R11: ffffffff83589620 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff888011e7ae80 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff88808ca56000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf4d09d4c0 CR3: 0000000048c1b000 CR4: 0000000000352ef0 Call Trace: evict+0x61e/0xb10 fs/inode.c:846 __dentry_kill+0x1a2/0x5e0 fs/dcache.c:670 shrink_kill+0xa9/0x2c0 fs/dcache.c:1147 shrink_dentry_list+0x2e0/0x5e0 fs/dcache.c:1174 prune_dcache_sb+0x119/0x180 fs/dcache.c:1256 super_cache_scan+0x369/0x4b0 fs/super.c:223 do_shrink_slab+0x6df/0x1170 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x830/0x1150 mm/shrinker.c:628 shrink_one+0x2d9/0x710 mm/vmscan.c:4928 shrink_many mm/vmscan.c:4989 [inline] lru_gen_shrink_node mm/vmscan.c:5067 [inline] shrink_node+0x3197/0x3a90 mm/vmscan.c:6047 kswapd_shrink_node mm/vmscan.c:6894 [inline] balance_pgdat mm/vmscan.c:7070 [inline] kswapd+0x1742/0x2e10 mm/vmscan.c:7343 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]---