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(&(0x7f0000000040)=@filename='./file1\x00', &(0x7f00000002c0)='./file0\x00', &(0x7f0000000080)='omfs\x00', 0x1800800, 0x0) [ 93.216920][ T5325] loop0: detected capacity change from 0 to 2048 [ 93.224205][ T4650] Bluetooth: hci0: command tx timeout [ 93.277416][ T10] cfg80211: failed to load regulatory.db [ 93.347054][ T5325] loop0: p2 p3 < > p4 < p5 > [ 93.350349][ T5325] loop0: partition table partially beyond EOD, truncated [ 93.367671][ T5325] loop0: p3 start 4225 is beyond EOD, truncated [ 93.470729][ T5325] omfs: block size(32768) > page size(4096) not supported by filesystem [ 93.502800][ T5283] Buffer I/O error on dev loop0p5, logical block 0, async page read [ 93.508283][ T5282] Buffer I/O error on dev loop0p2, logical block 0, async page read [ 93.513248][ T5325] ------------[ cut here ]------------ [ 93.515993][ T5325] kernel BUG at fs/buffer.c:1479! [ 93.531307][ T5325] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 93.534103][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 93.537891][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 93.542217][ T5325] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 93.544691][ T5325] Code: 4c 89 e2 e8 b6 71 98 02 e9 42 ff ff ff e8 3c 80 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 6d bd cf fe 90 0f 0b e8 25 80 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 [ 93.552892][ T5325] RSP: 0018:ffffc9000faef9b0 EFLAGS: 00010283 [ 93.555498][ T5325] RAX: ffffffff8258511b RBX: ffffea00008f8a00 RCX: 0000000000100000 [ 93.558889][ T5325] RDX: ffffc9000f1c2000 RSI: 00000000000014e2 RDI: 00000000000014e3 [ 93.562026][ T5325] RBP: dffffc0000000000 R08: ffffea00008f8a07 R09: 1ffffd400011f140 [ 93.565365][ T5325] R10: dffffc0000000000 R11: fffff9400011f141 R12: 0000000000000003 [ 93.568777][ T5325] R13: 0000000000008000 R14: ffff888047d7bcb0 R15: 0000000000008000 [ 93.572057][ T5325] FS: 00007f6fa14bd6c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000 [ 93.575741][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.578862][ T5325] CR2: 00007fffd8561200 CR3: 0000000012176000 CR4: 0000000000352ef0 [ 93.582517][ T5325] Call Trace: [ 93.583984][ T5325] [ 93.585269][ T5325] folio_alloc_buffers+0x228/0x640 [ 93.587393][ T5325] bdev_getblk+0x2cb/0x6e0 [ 93.589368][ T5325] __bread_gfp+0x89/0x3b0 [ 93.591099][ T5325] omfs_fill_super+0x30d/0x1590 [ 93.593044][ T5325] ? sb_set_blocksize+0x1ff/0x240 [ 93.595170][ T5325] ? setup_bdev_super+0x4c1/0x5b0 [ 93.597295][ T5325] get_tree_bdev_flags+0x431/0x4f0 [ 93.599416][ T5325] ? __pfx_omfs_fill_super+0x10/0x10 [ 93.601677][ T5325] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 93.604010][ T5325] vfs_get_tree+0x92/0x2a0 [ 93.605835][ T5325] do_new_mount+0x341/0xd30 [ 93.607718][ T5325] ? apparmor_capable+0x126/0x170 [ 93.609541][ T5325] ? __pfx_do_new_mount+0x10/0x10 [ 93.611592][ T5325] ? ns_capable+0x89/0xe0 [ 93.613431][ T5325] ? user_path_at+0xd4/0x160 [ 93.615370][ T5325] __se_sys_mount+0x31d/0x420 [ 93.617352][ T5325] ? __pfx___se_sys_mount+0x10/0x10 [ 93.619490][ T5325] ? __x64_sys_mount+0x20/0xc0 [ 93.621552][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.624495][ T5325] do_syscall_64+0x15f/0xf80 [ 93.626560][ T5325] ? trace_irq_disable+0x3b/0x140 [ 93.628789][ T5325] ? clear_bhb_loop+0x40/0x90 [ 93.630782][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 93.633307][ T5325] RIP: 0033:0x7f6fa059ce59 [ 93.635237][ T5325] 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 [ 93.643323][ T5325] RSP: 002b:00007f6fa14bcfe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.646931][ T5325] RAX: ffffffffffffffda RBX: 00007f6fa0815fa0 RCX: 00007f6fa059ce59 [ 93.650387][ T5325] RDX: 0000200000000080 RSI: 00002000000002c0 RDI: 0000200000000040 [ 93.653727][ T5325] RBP: 00007f6fa0632d6f R08: 0000000000000000 R09: 0000000000000000 [ 93.657040][ T5325] R10: 0000000001800800 R11: 0000000000000246 R12: 0000000000000000 [ 93.660340][ T5325] R13: 00007f6fa0816038 R14: 00007f6fa0815fa0 R15: 00007ffd657e5ec8 [ 93.663680][ T5325] [ 93.665090][ T5325] Modules linked in: [ 93.667362][ T5325] ---[ end trace 0000000000000000 ]--- [ 93.687776][ T5325] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 93.690116][ T5325] Code: 4c 89 e2 e8 b6 71 98 02 e9 42 ff ff ff e8 3c 80 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 6d bd cf fe 90 0f 0b e8 25 80 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 [ 93.699652][ T5325] RSP: 0018:ffffc9000faef9b0 EFLAGS: 00010283 [ 93.702483][ T5325] RAX: ffffffff8258511b RBX: ffffea00008f8a00 RCX: 0000000000100000 [ 93.706214][ T5325] RDX: ffffc9000f1c2000 RSI: 00000000000014e2 RDI: 00000000000014e3 [ 93.709779][ T5325] RBP: dffffc0000000000 R08: ffffea00008f8a07 R09: 1ffffd400011f140 [ 93.713368][ T5325] R10: dffffc0000000000 R11: fffff9400011f141 R12: 0000000000000003 [ 93.717261][ T5325] R13: 0000000000008000 R14: ffff888047d7bcb0 R15: 0000000000008000 [ 93.721390][ T5325] FS: 00007f6fa14bd6c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000 [ 93.725440][ T5325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.728830][ T5325] CR2: 00007fffd8561200 CR3: 0000000012176000 CR4: 0000000000352ef0 [ 93.732519][ T5325] Kernel panic - not syncing: Fatal exception [ 93.735616][ T5325] Kernel Offset: disabled [ 93.737527][ T5325] Rebooting in 86400 seconds..