loop0: detected capacity change from 0 to 2048 loop0: p2 p3 < > p4 < p5 > loop0: partition table partially beyond EOD, truncated loop0: p3 start 4284289 is beyond EOD, truncated ------------[ cut here ]------------ kernel BUG at fs/buffer.c:1580! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 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:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1580 Code: 4c 89 e2 e8 f6 b8 94 02 e9 42 ff ff ff e8 fc 59 6e ff 48 89 df 48 c7 c6 e0 dd de 8b e8 6d db d0 fe 90 0f 0b e8 e5 59 6e ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc9000dc2f7e0 EFLAGS: 00010287 RAX: ffffffff82573d9b RBX: ffffea00007b9d40 RCX: 0000000000100000 RDX: ffffc9000ec3a000 RSI: 0000000000000e08 RDI: 0000000000000e09 RBP: dffffc0000000000 R08: ffffea00007b9d47 R09: 1ffffd40000f73a8 R10: dffffc0000000000 R11: fffff940000f73a9 R12: 0000000000000000 R13: 0000000000001000 R14: ffff88801c8ad658 R15: 0000000000001000 FS: 00007fe203ce66c0(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe202f52e30 CR3: 000000001242c000 CR4: 0000000000352ef0 Call Trace: folio_alloc_buffers+0x39f/0x640 fs/buffer.c:944 grow_dev_folio fs/buffer.c:1073 [inline] grow_buffers fs/buffer.c:1114 [inline] __getblk_slow fs/buffer.c:1132 [inline] bdev_getblk+0x2cb/0x6e0 fs/buffer.c:1459 __bread_gfp+0x89/0x3b0 fs/buffer.c:1513 sb_bread include/linux/buffer_head.h:346 [inline] hpfs_map_sector+0x125/0x380 fs/hpfs/buffer.c:82 hpfs_fill_super+0x24c/0x1fa0 fs/hpfs/super.c:528 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694 vfs_get_tree+0x92/0x2a0 fs/super.c:1754 fc_mount fs/namespace.c:1193 [inline] do_new_mount_fc fs/namespace.c:3760 [inline] do_new_mount+0x341/0xd30 fs/namespace.c:3836 do_mount fs/namespace.c:4159 [inline] __do_sys_mount fs/namespace.c:4348 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4325 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe202d9c629 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe203ce6028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe203015fa0 RCX: 00007fe202d9c629 RDX: 0000200000000040 RSI: 00002000000002c0 RDI: 0000200000000000 RBP: 00007fe202e32b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe203016038 R14: 00007fe203015fa0 R15: 00007ffe9c321ae8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1580 Code: 4c 89 e2 e8 f6 b8 94 02 e9 42 ff ff ff e8 fc 59 6e ff 48 89 df 48 c7 c6 e0 dd de 8b e8 6d db d0 fe 90 0f 0b e8 e5 59 6e ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f RSP: 0018:ffffc9000dc2f7e0 EFLAGS: 00010287 RAX: ffffffff82573d9b RBX: ffffea00007b9d40 RCX: 0000000000100000 RDX: ffffc9000ec3a000 RSI: 0000000000000e08 RDI: 0000000000000e09 RBP: dffffc0000000000 R08: ffffea00007b9d47 R09: 1ffffd40000f73a8 R10: dffffc0000000000 R11: fffff940000f73a9 R12: 0000000000000000 R13: 0000000000001000 R14: ffff88801c8ad658 R15: 0000000000001000 FS: 00007fe203ce66c0(0000) GS:ffff88808ca5b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe202f862e0 CR3: 000000001242c000 CR4: 0000000000352ef0