program: syz_read_part_table(0x5e3, &(0x7f0000001100)="$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") r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000) mount(&(0x7f0000000400)=@loop={'/dev/loop', 0x0}, &(0x7f00000002c0)='./file0\x00', &(0x7f0000000000)='bfs\x00', 0x1008008, 0x0) [ 74.394686][ T47] Bluetooth: hci0: command tx timeout [ 74.475772][ T5321] loop0: detected capacity change from 0 to 2048 [ 74.526129][ T5321] loop0: p2 p3 < > p4 < p5 > [ 74.528069][ T5321] loop0: partition table partially beyond EOD, truncated [ 74.535567][ T5321] loop0: p3 start 4225 is beyond EOD, truncated [ 74.595116][ T5295] Buffer I/O error on dev loop0p2, logical block 0, async page read [ 74.605687][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.621479][ T5321] ------------[ cut here ]------------ [ 74.623767][ T5321] kernel BUG at fs/buffer.c:1582! [ 74.625790][ T5321] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 74.628275][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.631894][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 74.636169][ T5321] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 74.638511][ T5321] Code: 4c 89 e2 e8 f6 1e 8b 02 e9 42 ff ff ff e8 cc ee 70 ff 48 89 df 48 c7 c6 80 b5 be 8b e8 0d 78 d4 fe 90 0f 0b e8 b5 ee 70 ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f [ 74.646509][ T5321] RSP: 0018:ffffc9000e73f938 EFLAGS: 00010283 [ 74.649006][ T5321] RAX: ffffffff8253983b RBX: ffffea00015801c0 RCX: 0000000000100000 [ 74.652314][ T5321] RDX: ffffc9000f462000 RSI: 0000000000000c4b RDI: 0000000000000c4c [ 74.655604][ T5321] RBP: dffffc0000000000 R08: ffffea00015801c7 R09: 1ffffd40002b0038 [ 74.659400][ T5321] R10: dffffc0000000000 R11: fffff940002b0039 R12: 0000000000000000 [ 74.662929][ T5321] R13: 0000000000001000 R14: ffff8880477972b8 R15: 0000000000001000 [ 74.666382][ T5321] FS: 00007fb5c08f26c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000 [ 74.670210][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.673079][ T5321] CR2: 00007fff90420ec4 CR3: 000000003728c000 CR4: 0000000000352ef0 [ 74.676630][ T5321] Call Trace: [ 74.678061][ T5321] [ 74.679355][ T5321] folio_alloc_buffers+0x39f/0x640 [ 74.681698][ T5321] bdev_getblk+0x2cb/0x6e0 [ 74.683651][ T5321] __bread_gfp+0x89/0x3b0 [ 74.685656][ T5321] bfs_fill_super+0x1a2/0xeb0 [ 74.687698][ T5321] ? set_blocksize+0x144/0x4b0 [ 74.689704][ T5321] get_tree_bdev_flags+0x431/0x4f0 [ 74.692017][ T5321] ? __pfx_bfs_fill_super+0x10/0x10 [ 74.694364][ T5321] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 74.696914][ T5321] vfs_get_tree+0x92/0x2a0 [ 74.698838][ T5321] do_new_mount+0x329/0xa50 [ 74.700898][ T5321] ? apparmor_capable+0x137/0x1a0 [ 74.702942][ T5321] ? __pfx_do_new_mount+0x10/0x10 [ 74.705066][ T5321] ? ns_capable+0x89/0xe0 [ 74.707001][ T5321] __se_sys_mount+0x31d/0x420 [ 74.708993][ T5321] ? __pfx___se_sys_mount+0x10/0x10 [ 74.711171][ T5321] ? __x64_sys_mount+0x20/0xc0 [ 74.713237][ T5321] do_syscall_64+0xe2/0xf80 [ 74.715237][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.717841][ T5321] ? trace_irq_disable+0x37/0x100 [ 74.720000][ T5321] ? clear_bhb_loop+0x60/0xb0 [ 74.723957][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.726696][ T5321] RIP: 0033:0x7fb5bf99acb9 [ 74.728805][ T5321] 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 [ 74.736958][ T5321] RSP: 002b:00007fb5c08f2028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.740330][ T5321] RAX: ffffffffffffffda RBX: 00007fb5bfc15fa0 RCX: 00007fb5bf99acb9 [ 74.743808][ T5321] RDX: 0000200000000000 RSI: 00002000000002c0 RDI: 0000200000000400 [ 74.746965][ T5321] RBP: 00007fb5bfa08bf7 R08: 0000000000000000 R09: 0000000000000000 [ 74.750030][ T5321] R10: 0000000001008008 R11: 0000000000000246 R12: 0000000000000000 [ 74.753309][ T5321] R13: 00007fb5bfc16038 R14: 00007fb5bfc15fa0 R15: 00007ffc0e68b798 [ 74.756789][ T5321] [ 74.758242][ T5321] Modules linked in: [ 74.762905][ T5321] ---[ end trace 0000000000000000 ]--- [ 74.776030][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.780215][ T5294] Buffer I/O error on dev loop0p5, logical block 0, async page read [ 74.786347][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.790247][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.794152][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.798005][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.802894][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.806437][ T5298] Buffer I/O error on dev loop0p4, logical block 0, async page read [ 74.816345][ T5321] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 74.818645][ T5321] Code: 4c 89 e2 e8 f6 1e 8b 02 e9 42 ff ff ff e8 cc ee 70 ff 48 89 df 48 c7 c6 80 b5 be 8b e8 0d 78 d4 fe 90 0f 0b e8 b5 ee 70 ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f [ 74.827903][ T5321] RSP: 0018:ffffc9000e73f938 EFLAGS: 00010283 [ 74.830791][ T5321] RAX: ffffffff8253983b RBX: ffffea00015801c0 RCX: 0000000000100000 [ 74.834074][ T5321] RDX: ffffc9000f462000 RSI: 0000000000000c4b RDI: 0000000000000c4c [ 74.837320][ T5321] RBP: dffffc0000000000 R08: ffffea00015801c7 R09: 1ffffd40002b0038 [ 74.841640][ T5321] R10: dffffc0000000000 R11: fffff940002b0039 R12: 0000000000000000 [ 74.845050][ T5321] R13: 0000000000001000 R14: ffff8880477972b8 R15: 0000000000001000 [ 74.849596][ T5321] FS: 00007fb5c08f26c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000 [ 74.853839][ T5321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.856977][ T5321] CR2: 00007f5b3fb97a08 CR3: 000000003728c000 CR4: 0000000000352ef0 [ 74.861007][ T5321] Kernel panic - not syncing: Fatal exception [ 74.863668][ T5321] Kernel Offset: disabled [ 74.865495][ T5321] Rebooting in 86400 seconds..