program: syz_read_part_table(0x5e3, &(0x7f0000001100)="$eJzs3L+LHVUUB/DvnZn3YyGy+QMsFtKIgivYiYtpdE0XRDsLW4sViYVYyO5DRfDHH5BWtDAKIdYWChLEdFYiLFqI2FuYwnDlzZt5b0Gt3qIEPp/i3XPv3HPODHPbeeH+VneTWpI7/eyjth+6Jpktg1+TdybJ4mKGhWQyJJYkL9x4+pkre1fLbL22XD0Zrs42XabD2GVviL7s8uGNw3f7+CQlxxnCTD6fplvurau863+/6bslbb+H/1n3VV29iGm+zxdJjkq7fPmzZJFPkouZ9/v2k7S11v41nyQ7Sbs+FVu4eXB78dQQ72Q4aZPV7Pi9Uh8brk1Sa61Nji+NmW3y4JP71/6paJ+/yJnDvsyeXBhzm6wP39G9aVdW4ePf/nycxXxdPbXZlDzdSV49fe7R/k7KqsZk+8cHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOCcPfTaw1834+Ry/1vW8bOfptlsPUn+HOO9+Tn1v3lwe/ett681eePg5R9eefOXw9/ye5I2+4cXktl630ur4db7/dANq+3W/Y/uNdPPPv5mZ70wlC7Jd5d+vFvHDqfD+PoTZ5IPmq37AwAAAAAAAAAAAAAAAAAAwNKtXNm72uT5pOTFbD73r5knpYzTeVJrrX/U3vjx//T6+N38nZ9Slkmp5Wz1y8nuA0mdffBI/7cCq8Raa9e3KP/NM/Lv/goAAP//fn1idw==") r0 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r0, 0x4c09, 0x8000) rename(&(0x7f0000000080)='./file0\x00', &(0x7f0000000140)='./file0\x00') mount(&(0x7f0000000040)=@filename='./file1\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000100)='qnx4\x00', 0x2008080, 0x0) [ 102.269658][ T5294] Bluetooth: hci0: command tx timeout [ 102.381593][ T5335] loop0: detected capacity change from 0 to 2048 [ 102.414964][ T5335] loop0: p2 p3 < > p4 < p5 > [ 102.419759][ T5335] loop0: partition table partially beyond EOD, truncated [ 102.426698][ T5335] loop0: p3 start 4225 is beyond EOD, truncated [ 102.476891][ T5291] Buffer I/O error on dev loop0, logical block 0, async page read [ 102.483314][ T5335] qnx4: block size(32768) > page size(4096) not supported by filesystem [ 102.490166][ T5291] Buffer I/O error on dev loop0, logical block 0, async page read [ 102.495291][ T5335] ------------[ cut here ]------------ [ 102.497686][ T5335] kernel BUG at fs/buffer.c:1479! [ 102.501043][ T5291] Buffer I/O error on dev loop0, logical block 0, async page read [ 102.506239][ T5335] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 102.509169][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 102.513740][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 102.518439][ T5335] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 102.520741][ T5335] Code: 4c 89 e2 e8 76 56 98 02 e9 42 ff ff ff e8 cc 76 6d ff 48 89 df 48 c7 c6 40 26 df 8b e8 7d be cf fe 90 0f 0b e8 b5 76 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 [ 102.529215][ T5335] RSP: 0018:ffffc9000e3f79e0 EFLAGS: 00010283 [ 102.531699][ T5335] RAX: ffffffff82584f5b RBX: ffffea0001579c00 RCX: 0000000000100000 [ 102.535029][ T5335] RDX: ffffc9000eeda000 RSI: 0000000000001f91 RDI: 0000000000001f92 [ 102.538414][ T5335] RBP: dffffc0000000000 R08: ffffea0001579c07 R09: 1ffffd40002af380 [ 102.541800][ T5335] R10: dffffc0000000000 R11: fffff940002af381 R12: 0000000000000003 [ 102.545423][ T5335] R13: 0000000000008000 R14: ffff888048825828 R15: 0000000000008000 [ 102.548923][ T5335] FS: 00007f72386d76c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 [ 102.552979][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.555872][ T5335] CR2: 00007f4aa0d909c0 CR3: 0000000032f5a000 CR4: 0000000000352ef0 [ 102.559488][ T5335] Call Trace: [ 102.561034][ T5335] [ 102.562397][ T5335] folio_alloc_buffers+0x228/0x640 [ 102.564633][ T5335] bdev_getblk+0x2cb/0x6e0 [ 102.566577][ T5335] __bread_gfp+0x89/0x3b0 [ 102.568413][ T5335] qnx4_fill_super+0x1c6/0x770 [ 102.570468][ T5335] get_tree_bdev_flags+0x431/0x4f0 [ 102.572760][ T5335] ? __pfx_qnx4_fill_super+0x10/0x10 [ 102.575066][ T5335] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 102.577553][ T5335] vfs_get_tree+0x92/0x2a0 [ 102.579579][ T5335] do_new_mount+0x341/0xd30 [ 102.581646][ T5335] ? apparmor_capable+0x126/0x170 [ 102.583985][ T5335] ? __pfx_do_new_mount+0x10/0x10 [ 102.586268][ T5335] ? ns_capable+0x89/0xe0 [ 102.588205][ T5335] ? user_path_at+0xd4/0x160 [ 102.590240][ T5335] __se_sys_mount+0x31d/0x420 [ 102.592385][ T5335] ? __pfx___se_sys_mount+0x10/0x10 [ 102.594710][ T5335] ? __x64_sys_mount+0x20/0xc0 [ 102.596785][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.600191][ T5335] do_syscall_64+0x174/0x580 [ 102.602499][ T5335] ? trace_irq_disable+0x3b/0x140 [ 102.604733][ T5335] ? clear_bhb_loop+0x40/0x90 [ 102.606765][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 102.609354][ T5335] RIP: 0033:0x7f723779ce59 [ 102.611256][ T5335] 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 [ 102.619567][ T5335] RSP: 002b:00007f72386d6fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.623382][ T5335] RAX: ffffffffffffffda RBX: 00007f7237a15fa0 RCX: 00007f723779ce59 [ 102.626648][ T5335] RDX: 0000200000000100 RSI: 0000200000000000 RDI: 0000200000000040 [ 102.630300][ T5335] RBP: 00007f7237832d6f R08: 0000000000000000 R09: 0000000000000000 [ 102.633896][ T5335] R10: 0000000002008080 R11: 0000000000000246 R12: 0000000000000000 [ 102.637214][ T5335] R13: 00007f7237a16038 R14: 00007f7237a15fa0 R15: 00007ffdfbac31b8 [ 102.640651][ T5335] [ 102.642119][ T5335] Modules linked in: [ 102.644461][ T5335] ---[ end trace 0000000000000000 ]--- [ 102.647474][ T5291] Buffer I/O error on dev loop0, logical block 0, async page read [ 102.651224][ T5291] Buffer I/O error on dev loop0, logical block 0, async page read [ 102.662062][ T5291] Buffer I/O error on dev loop0p2, logical block 0, async page read [ 102.676930][ T5292] Buffer I/O error on dev loop0p5, logical block 0, async page read [ 102.688761][ T5335] RIP: 0010:folio_set_bh+0x1dc/0x1e0 [ 102.691778][ T5335] Code: 4c 89 e2 e8 76 56 98 02 e9 42 ff ff ff e8 cc 76 6d ff 48 89 df 48 c7 c6 40 26 df 8b e8 7d be cf fe 90 0f 0b e8 b5 76 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 [ 102.702329][ T5335] RSP: 0018:ffffc9000e3f79e0 EFLAGS: 00010283 [ 102.705500][ T5335] RAX: ffffffff82584f5b RBX: ffffea0001579c00 RCX: 0000000000100000 [ 102.709525][ T5335] RDX: ffffc9000eeda000 RSI: 0000000000001f91 RDI: 0000000000001f92 [ 102.713085][ T5335] RBP: dffffc0000000000 R08: ffffea0001579c07 R09: 1ffffd40002af380 [ 102.716493][ T5335] R10: dffffc0000000000 R11: fffff940002af381 R12: 0000000000000003 [ 102.721151][ T5335] R13: 0000000000008000 R14: ffff888048825828 R15: 0000000000008000 [ 102.724633][ T5335] FS: 00007f72386d76c0(0000) GS:ffff88808c891000(0000) knlGS:0000000000000000 [ 102.728974][ T5335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 102.731739][ T5335] CR2: 0000559430f02660 CR3: 0000000032f5a000 CR4: 0000000000352ef0 [ 102.735240][ T5335] Kernel panic - not syncing: Fatal exception [ 102.738158][ T5335] Kernel Offset: disabled [ 102.739954][ T5335] Rebooting in 86400 seconds..