program: syz_read_part_table(0x5e3, &(0x7f0000001100)="$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") r0 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000) r1 = socket$kcm(0x10, 0x0, 0x0) sendmsg$kcm(r1, &(0x7f0000000940)={0x0, 0x88a8ffff, &(0x7f0000000100)=[{&(0x7f0000000200)="d8000000210081044e81f782db44b9040200000000806c010000150010001800feffffff09000d2000000401a80018000a000e4006000000036010fab94dcf5c0468c1d67f6f94007134cf6ee062e1c547cbc7225e6756cfb39b0590b4800089e408e8d8ef52b49816277cf4090000001fb791643a5ee4ce1b14d6d930dfe1d9db22fe7c9f8775730d16a4683f1aeb4edbb57a5025ccca9e00360db701000000eafad95667e006dcdf969b3ef35ce3bb9ad809d561cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d939acd92637429397f632838", 0xd8}], 0x1}, 0x0) mount(&(0x7f0000000400)=@filename='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='bfs\x00', 0x1800000, 0x0) syz_read_part_table(0x5e3, &(0x7f0000001100)="$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") (async) syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) (async) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000) (async) socket$kcm(0x10, 0x0, 0x0) (async) sendmsg$kcm(r1, &(0x7f0000000940)={0x0, 0x88a8ffff, &(0x7f0000000100)=[{&(0x7f0000000200)="d8000000210081044e81f782db44b9040200000000806c010000150010001800feffffff09000d2000000401a80018000a000e4006000000036010fab94dcf5c0468c1d67f6f94007134cf6ee062e1c547cbc7225e6756cfb39b0590b4800089e408e8d8ef52b49816277cf4090000001fb791643a5ee4ce1b14d6d930dfe1d9db22fe7c9f8775730d16a4683f1aeb4edbb57a5025ccca9e00360db701000000eafad95667e006dcdf969b3ef35ce3bb9ad809d561cace81ed0bffece0b42a9ecbee5de6ccd40dd6e4edef3d939acd92637429397f632838", 0xd8}], 0x1}, 0x0) (async) mount(&(0x7f0000000400)=@filename='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)='bfs\x00', 0x1800000, 0x0) (async) [ 84.619645][ T5328] loop0: detected capacity change from 0 to 2048 [ 84.702902][ T5328] loop0: p2 p3 < > p4 < p5 > [ 84.708551][ T5328] loop0: partition table partially beyond EOD, truncated [ 84.712440][ T45] Bluetooth: hci0: command tx timeout [ 84.721247][ T5328] loop0: p3 start 4225 is beyond EOD, truncated [ 84.749895][ T5328] bfs: block size(32768) > page size(4096) not supported by filesystem [ 84.755889][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.760753][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.767246][ T5328] ------------[ cut here ]------------ [ 84.769847][ T5328] kernel BUG at fs/buffer.c:1479! [ 84.772235][ T5328] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 84.774999][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.778826][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.783316][ T5328] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 84.785846][ T5328] Code: 4c 89 e2 e8 e6 b5 98 02 e9 42 ff ff ff e8 dc 7c 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 ed c5 cf fe 90 0f 0b e8 c5 7c 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f [ 84.794217][ T5328] RSP: 0018:ffffc9000d94f948 EFLAGS: 00010293 [ 84.796991][ T5328] RAX: ffffffff825848ab RBX: ffffea0001557800 RCX: ffff8880005d4a00 [ 84.800407][ T5328] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000008000 [ 84.803873][ T5328] RBP: dffffc0000000000 R08: ffffea0001557807 R09: 1ffffd40002aaf00 [ 84.807395][ T5328] R10: dffffc0000000000 R11: fffff940002aaf01 R12: 0000000000000003 [ 84.810698][ T5328] R13: 0000000000008000 R14: ffff88801ccb9ae0 R15: 0000000000008000 [ 84.813984][ T5328] FS: 00007f4b78cd76c0(0000) GS:ffff88808c87b000(0000) knlGS:0000000000000000 [ 84.817715][ T5328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.820270][ T5328] CR2: 000055c4dbb670ac CR3: 0000000044807000 CR4: 0000000000352ef0 [ 84.823692][ T5328] Call Trace: [ 84.825261][ T5328] [ 84.826635][ T5328] folio_alloc_buffers+0x228/0x640 [ 84.828912][ T5328] bdev_getblk+0x2cb/0x6e0 [ 84.830892][ T5328] __bread_gfp+0x89/0x3b0 [ 84.832760][ T5328] bfs_fill_super+0x1a2/0xeb0 [ 84.834838][ T5328] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 84.837491][ T5328] get_tree_bdev_flags+0x431/0x4f0 [ 84.839760][ T5328] ? __pfx_bfs_fill_super+0x10/0x10 [ 84.841986][ T5328] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 84.844206][ T5328] vfs_get_tree+0x92/0x2a0 [ 84.846176][ T5328] do_new_mount+0x341/0xd30 [ 84.848133][ T5328] ? apparmor_capable+0x126/0x170 [ 84.850945][ T5328] ? __pfx_do_new_mount+0x10/0x10 [ 84.853256][ T5328] ? ns_capable+0x89/0xe0 [ 84.855142][ T5328] ? user_path_at+0xd4/0x160 [ 84.857150][ T5328] __se_sys_mount+0x31d/0x420 [ 84.859222][ T5328] ? __pfx___se_sys_mount+0x10/0x10 [ 84.861461][ T5328] ? __x64_sys_mount+0x20/0xc0 [ 84.863588][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.866096][ T5328] do_syscall_64+0x15f/0xf80 [ 84.868178][ T5328] ? trace_irq_disable+0x3b/0x140 [ 84.870538][ T5328] ? clear_bhb_loop+0x40/0x90 [ 84.872623][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.875194][ T5328] RIP: 0033:0x7f4b77d9ce59 [ 84.877327][ T5328] 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 [ 84.885474][ T5328] RSP: 002b:00007f4b78cd6fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.889012][ T5328] RAX: ffffffffffffffda RBX: 00007f4b78015fa0 RCX: 00007f4b77d9ce59 [ 84.892502][ T5328] RDX: 0000200000000080 RSI: 0000200000000000 RDI: 0000200000000400 [ 84.895943][ T5328] RBP: 00007f4b77e32d6f R08: 0000000000000000 R09: 0000000000000000 [ 84.899363][ T5328] R10: 0000000001800000 R11: 0000000000000246 R12: 0000000000000000 [ 84.903631][ T5328] R13: 00007f4b78016038 R14: 00007f4b78015fa0 R15: 00007fff08b8a5a8 [ 84.907181][ T5328] [ 84.908575][ T5328] Modules linked in: [ 84.912572][ T5328] ---[ end trace 0000000000000000 ]--- [ 84.915442][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.919364][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.922558][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.932255][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.937456][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.942428][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.947948][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.953959][ T5287] Buffer I/O error on dev loop0, logical block 0, async page read [ 84.990206][ T5328] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 84.993080][ T5328] Code: 4c 89 e2 e8 e6 b5 98 02 e9 42 ff ff ff e8 dc 7c 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 ed c5 cf fe 90 0f 0b e8 c5 7c 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f [ 85.002872][ T5328] RSP: 0018:ffffc9000d94f948 EFLAGS: 00010293 [ 85.005827][ T5328] RAX: ffffffff825848ab RBX: ffffea0001557800 RCX: ffff8880005d4a00 [ 85.009394][ T5328] RDX: 0000000000000000 RSI: 0000000000008000 RDI: 0000000000008000 [ 85.013082][ T5328] RBP: dffffc0000000000 R08: ffffea0001557807 R09: 1ffffd40002aaf00 [ 85.017031][ T5328] R10: dffffc0000000000 R11: fffff940002aaf01 R12: 0000000000000003 [ 85.020885][ T5328] R13: 0000000000008000 R14: ffff88801ccb9ae0 R15: 0000000000008000 [ 85.024800][ T5328] FS: 00007f4b78cd76c0(0000) GS:ffff88808c87b000(0000) knlGS:0000000000000000 [ 85.028723][ T5328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.031584][ T5328] CR2: 0000000000000000 CR3: 0000000044807000 CR4: 0000000000352ef0 [ 85.035879][ T5328] Kernel panic - not syncing: Fatal exception [ 85.038934][ T5328] Kernel Offset: disabled [ 85.040792][ T5328] Rebooting in 86400 seconds..