Warning: Permanently added '10.128.1.47' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 53.975312][ T5076] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5076 'syz-executor318' [ 54.071810][ T5076] loop0: detected capacity change from 0 to 2048 [ 54.072287][ T5078] loop2: detected capacity change from 0 to 2048 [ 54.087081][ T5080] loop3: detected capacity change from 0 to 2048 [ 54.092396][ T5077] loop1: detected capacity change from 0 to 2048 [ 54.101547][ T5079] loop4: detected capacity change from 0 to 2048 [ 54.110185][ T5081] loop5: detected capacity change from 0 to 2048 [ 54.123293][ T5080] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.133292][ T5078] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.144143][ T5076] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.160149][ T5079] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.173212][ T5077] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.182445][ T5081] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.216119][ T5079] ================================================================== [ 54.224243][ T5079] BUG: KASAN: use-after-free in udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.232025][ T5079] Write of size 1 at addr ffff888094c48ac8 by task syz-executor318/5079 [ 54.240376][ T5079] [ 54.242717][ T5079] CPU: 0 PID: 5079 Comm: syz-executor318 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0 [ 54.252636][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.262716][ T5079] Call Trace: [ 54.266039][ T5079] [ 54.269518][ T5079] dump_stack_lvl+0xd1/0x138 [ 54.274162][ T5079] print_report+0x15e/0x45d [ 54.278699][ T5079] ? __phys_addr+0xc8/0x140 [ 54.283244][ T5079] ? udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.288666][ T5079] kasan_report+0xc0/0xf0 [ 54.293039][ T5079] ? udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.298459][ T5079] udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.303755][ T5079] udf_fill_super+0x1474/0x1a40 [ 54.308646][ T5079] ? udf_load_vrs+0xbe0/0xbe0 [ 54.313367][ T5079] ? vsprintf+0x30/0x30 [ 54.317557][ T5079] ? set_blocksize+0x2d2/0x370 [ 54.322456][ T5079] mount_bdev+0x351/0x410 [ 54.326826][ T5079] ? udf_load_vrs+0xbe0/0xbe0 [ 54.331539][ T5079] ? udf_get_pblock_meta25+0x3e0/0x3e0 [ 54.337011][ T5079] legacy_get_tree+0x109/0x220 [ 54.341805][ T5079] vfs_get_tree+0x8d/0x2f0 [ 54.346242][ T5079] path_mount+0x132a/0x1e20 [ 54.350771][ T5079] ? kmem_cache_free+0xec/0x4e0 [ 54.355632][ T5079] ? finish_automount+0x9b0/0x9b0 [ 54.360680][ T5079] ? putname+0x102/0x140 [ 54.364947][ T5079] __x64_sys_mount+0x283/0x300 [ 54.369734][ T5079] ? copy_mnt_ns+0xb30/0xb30 [ 54.374430][ T5079] ? syscall_enter_from_user_mode+0x26/0xb0 [ 54.380346][ T5079] do_syscall_64+0x39/0xb0 [ 54.384787][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.390707][ T5079] RIP: 0033:0x7f58020fdf1a [ 54.395147][ T5079] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.414959][ T5079] RSP: 002b:00007ffd5ab081b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 54.423997][ T5079] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f58020fdf1a [ 54.431985][ T5079] RDX: 0000000020000c00 RSI: 0000000020000c40 RDI: 00007ffd5ab081d0 [ 54.439965][ T5079] RBP: 00007ffd5ab081d0 R08: 00007ffd5ab08210 R09: 0000000000000bea [ 54.447939][ T5079] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 54.455913][ T5079] R13: 0000555555add2c0 R14: 0000000000000000 R15: 00007ffd5ab08210 [ 54.463989][ T5079] [ 54.467009][ T5079] [ 54.469330][ T5079] The buggy address belongs to the physical page: [ 54.475736][ T5079] page:ffffea0002531200 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x94c48 [ 54.485892][ T5079] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 54.493018][ T5079] raw: 00fff00000000000 ffffea0002531208 ffffea0002531208 0000000000000000 [ 54.501611][ T5079] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 54.510276][ T5079] page dumped because: kasan: bad access detected [ 54.516714][ T5079] page_owner info is not present (never set?) [ 54.523061][ T5079] [ 54.525391][ T5079] Memory state around the buggy address: [ 54.531112][ T5079] ffff888094c48980: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 54.539178][ T5079] ffff888094c48a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 54.547240][ T5079] >ffff888094c48a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 54.555297][ T5079] ^ executing program [ 54.561727][ T5079] ffff888094c48b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 54.569807][ T5079] ffff888094c48b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 54.577889][ T5079] ================================================================== executing program executing program executing program executing program [ 54.667593][ T5083] loop3: detected capacity change from 0 to 2048 [ 54.697967][ T5084] loop5: detected capacity change from 0 to 2048 [ 54.714449][ T5083] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.735078][ T5085] loop1: detected capacity change from 0 to 2048 [ 54.743924][ T5086] loop2: detected capacity change from 0 to 2048 [ 54.751151][ T5088] I/O error, dev loop2, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 54.762928][ T5079] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 54.766455][ T5084] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.778957][ T5079] CPU: 1 PID: 5079 Comm: syz-executor318 Not tainted 6.2.0-rc3-next-20230112-syzkaller #0 [ 54.785530][ T5087] loop0: detected capacity change from 0 to 2048 [ 54.795456][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.798610][ T5087] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 54.814280][ T5079] Call Trace: [ 54.817610][ T5079] [ 54.820558][ T5079] dump_stack_lvl+0xd1/0x138 [ 54.825359][ T5079] panic+0x2cc/0x626 [ 54.829294][ T5079] ? panic_print_sys_info.part.0+0x112/0x112 [ 54.835395][ T5079] ? preempt_schedule_thunk+0x1a/0x20 [ 54.840791][ T5079] ? preempt_schedule_common+0x59/0xc0 [ 54.846283][ T5079] check_panic_on_warn.cold+0x19/0x35 [ 54.851703][ T5079] end_report.part.0+0x36/0x73 [ 54.856664][ T5079] ? udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.862067][ T5079] kasan_report.cold+0xa/0xf [ 54.866667][ T5079] ? udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.872059][ T5079] udf_open_lvid.isra.0+0x24f/0x2a0 [ 54.877285][ T5079] udf_fill_super+0x1474/0x1a40 [ 54.882201][ T5079] ? udf_load_vrs+0xbe0/0xbe0 [ 54.886908][ T5079] ? vsprintf+0x30/0x30 [ 54.892312][ T5079] ? set_blocksize+0x2d2/0x370 [ 54.897124][ T5079] mount_bdev+0x351/0x410 [ 54.901497][ T5079] ? udf_load_vrs+0xbe0/0xbe0 [ 54.906199][ T5079] ? udf_get_pblock_meta25+0x3e0/0x3e0 [ 54.911676][ T5079] legacy_get_tree+0x109/0x220 [ 54.916463][ T5079] vfs_get_tree+0x8d/0x2f0 [ 54.920893][ T5079] path_mount+0x132a/0x1e20 [ 54.925420][ T5079] ? kmem_cache_free+0xec/0x4e0 [ 54.930279][ T5079] ? finish_automount+0x9b0/0x9b0 [ 54.935322][ T5079] ? putname+0x102/0x140 [ 54.939591][ T5079] __x64_sys_mount+0x283/0x300 [ 54.944379][ T5079] ? copy_mnt_ns+0xb30/0xb30 [ 54.948988][ T5079] ? syscall_enter_from_user_mode+0x26/0xb0 [ 54.954992][ T5079] do_syscall_64+0x39/0xb0 [ 54.959427][ T5079] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.965335][ T5079] RIP: 0033:0x7f58020fdf1a [ 54.969768][ T5079] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 54.989652][ T5079] RSP: 002b:00007ffd5ab081b8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 54.998072][ T5079] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f58020fdf1a [ 55.006061][ T5079] RDX: 0000000020000c00 RSI: 0000000020000c40 RDI: 00007ffd5ab081d0 [ 55.014152][ T5079] RBP: 00007ffd5ab081d0 R08: 00007ffd5ab08210 R09: 0000000000000bea [ 55.022147][ T5079] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000004 [ 55.030130][ T5079] R13: 0000555555add2c0 R14: 0000000000000000 R15: 00007ffd5ab08210 [ 55.038218][ T5079] [ 55.041461][ T5079] Kernel Offset: disabled [ 55.045783][ T5079] Rebooting in 86400 seconds..