Warning: Permanently added '10.128.10.48' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.212178] erofs: read_super, device -> /dev/loop0 [ 35.217333] erofs: options -> [ 35.225165] erofs: z_erofs_unzip_lz4, failed to decompress, in[00000000a504e643, 4096] outlen[0000000017234169, 9000] [ 35.236253] ------------[ cut here ]------------ [ 35.241292] WARNING: CPU: 0 PID: 8092 at drivers/staging/erofs/unzip_lz4.c:244 z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.251500] Kernel panic - not syncing: panic_on_warn set ... [ 35.251500] [ 35.258845] CPU: 0 PID: 8092 Comm: syz-executor239 Not tainted 4.19.211-syzkaller #0 [ 35.266705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.276037] Call Trace: [ 35.278622] dump_stack+0x1fc/0x2ef [ 35.282239] panic+0x26a/0x50e [ 35.285419] ? __warn_printk+0xf3/0xf3 [ 35.289295] ? z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.293957] ? __probe_kernel_read+0x130/0x1b0 [ 35.298523] ? __warn.cold+0x5/0x5a [ 35.302130] ? __warn+0xe4/0x200 [ 35.305481] ? z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.310133] __warn.cold+0x20/0x5a [ 35.313656] ? z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.318305] report_bug+0x262/0x2b0 [ 35.321915] do_error_trap+0x1d7/0x310 [ 35.325785] ? math_error+0x310/0x310 [ 35.329566] ? irq_work_claim+0xa6/0xc0 [ 35.333524] ? irq_work_queue+0x29/0x80 [ 35.337480] ? error_entry+0x72/0xd0 [ 35.341174] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.346178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.351008] invalid_op+0x14/0x20 [ 35.354446] RIP: 0010:z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.359708] Code: 74 24 30 4c 8b 7c 24 40 48 8b 5c 24 38 49 89 e9 4d 89 f0 4c 89 f9 48 89 da e8 7c 1e e3 ff 48 c7 c7 20 cc 3f 89 e8 70 1e e3 ff <0f> 0b 41 b8 01 00 00 00 6a 01 49 89 d9 b9 10 00 00 00 41 57 ba 02 [ 35.378588] RSP: 0018:ffff88809d92e658 EFLAGS: 00010282 [ 35.383935] RAX: 0000000000000024 RBX: ffff8880b3234000 RCX: 0000000000000000 [ 35.391186] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1013b25cbd [ 35.398436] RBP: 0000000000002328 R08: 0000000000000024 R09: 0000000000000000 [ 35.405683] R10: 0000000000000005 R11: 0000000000000000 R12: 000000000000007f [ 35.412934] R13: ffffffff8dd55812 R14: ffffffff8dd53be0 R15: 0000000000001000 [ 35.420199] ? vprintk_func+0x81/0x180 [ 35.424072] ? z_erofs_unzip_lz4.cold+0x44/0xa8 [ 35.428723] ? __change_pid+0xf/0x2a0 [ 35.432510] z_erofs_vle_unzip_fast_percpu+0xff/0x530 [ 35.437684] z_erofs_vle_unzip.isra.0+0x11fb/0x2460 [ 35.442688] ? z_erofs_vle_unzip_kickoff+0x100/0x100 [ 35.447773] ? __lock_acquire+0x6de/0x3ff0 [ 35.451991] ? __lock_acquire+0x6de/0x3ff0 [ 35.456208] ? __lock_acquire+0x6de/0x3ff0 [ 35.460425] ? mark_held_locks+0xf0/0xf0 [ 35.464468] ? finish_task_switch+0x146/0x760 [ 35.468946] ? mark_held_locks+0xf0/0xf0 [ 35.472989] ? mark_held_locks+0xa6/0xf0 [ 35.477030] ? finish_task_switch+0x118/0x760 [ 35.481519] ? prepare_to_wait_event+0x145/0x6b0 [ 35.486271] ? mark_held_locks+0xa6/0xf0 [ 35.490326] ? z_erofs_submit_and_unzip.isra.0+0x16dc/0x1930 [ 35.496114] ? mark_held_locks+0xa6/0xf0 [ 35.500159] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 35.505247] z_erofs_submit_and_unzip.isra.0+0x10dc/0x1930 [ 35.510864] ? z_erofs_vle_unzip_wq+0x1c0/0x1c0 [ 35.515513] ? wait_woken+0x250/0x250 [ 35.519305] ? wait_for_completion_io+0x10/0x10 [ 35.523957] z_erofs_vle_normalaccess_readpages+0x6b0/0xa80 [ 35.529656] ? z_erofs_vle_normalaccess_readpage+0x460/0x460 [ 35.535445] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 35.540271] ? __lock_acquire+0x6de/0x3ff0 [ 35.544488] ? z_erofs_vle_normalaccess_readpage+0x460/0x460 [ 35.550275] read_pages.isra.0+0xf6/0x5d0 [ 35.554408] ? read_cache_pages+0x750/0x750 [ 35.558712] ? alloc_pages_current+0x19b/0x2a0 [ 35.563275] __do_page_cache_readahead+0x5c6/0x6c0 [ 35.568190] ? read_pages.isra.0+0x5d0/0x5d0 [ 35.572580] ? page_cache_sync_readahead+0x1c5/0x520 [ 35.577666] ondemand_readahead.isra.0+0x575/0xd40 [ 35.582580] page_cache_sync_readahead+0x275/0x520 [ 35.587494] generic_file_read_iter+0x1497/0x2b60 [ 35.592324] ? iov_iter_init+0xb8/0x1d0 [ 35.596279] __vfs_read+0x518/0x750 [ 35.599889] ? __se_sys_copy_file_range+0x410/0x410 [ 35.604889] ? deref_stack_reg+0x1d0/0x1d0 [ 35.609106] ? __unwind_start+0x5b8/0x960 [ 35.613241] ? fs_reclaim_release+0xd0/0x110 [ 35.617633] integrity_kernel_read+0x147/0x1f0 [ 35.622202] ? integrity_inode_free+0x310/0x310 [ 35.626854] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.631853] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.636682] ima_calc_file_hash+0x4b2/0x8a0 [ 35.640986] ? erofs_getxattr+0x396/0xf10 [ 35.645119] ? init_inode_xattrs.part.0+0x1070/0x1070 [ 35.650292] ? lock_acquire+0x170/0x3c0 [ 35.654246] ? process_measurement+0x316/0x1440 [ 35.658896] ? ima_alloc_tfm+0xc5/0xf0 [ 35.662770] ? ima_calc_file_hash+0x199/0x8a0 [ 35.667249] ima_collect_measurement+0x4c4/0x570 [ 35.672075] ? ima_get_action+0x90/0x90 [ 35.676039] ? ima_get_cache_status+0x1d0/0x1d0 [ 35.680694] process_measurement+0xddd/0x1440 [ 35.685179] ? ima_restore_measurement_entry+0x40/0x40 [ 35.690437] ? __lock_acquire+0x6de/0x3ff0 [ 35.694665] ? aa_get_task_label+0x1e6/0x7f0 [ 35.699057] ? lock_downgrade+0x720/0x720 [ 35.703189] ? check_preemption_disabled+0x41/0x280 [ 35.708192] ? check_preemption_disabled+0x41/0x280 [ 35.713191] ? aa_get_task_label+0x20d/0x7f0 [ 35.717579] ? lockref_get+0x11/0x50 [ 35.721270] ? aa_capable+0xb80/0xb80 [ 35.725056] ? apparmor_task_getsecid+0x88/0xc0 [ 35.729721] ima_file_check+0xb9/0x100 [ 35.733590] ? process_measurement+0x1440/0x1440 [ 35.738328] ? inode_permission+0x3d/0x140 [ 35.742548] path_openat+0x7e4/0x2df0 [ 35.746336] ? path_lookupat+0x8d0/0x8d0 [ 35.750383] ? mark_held_locks+0xf0/0xf0 [ 35.754423] ? __lock_acquire+0x6de/0x3ff0 [ 35.758640] do_filp_open+0x18c/0x3f0 [ 35.762424] ? may_open_dev+0xf0/0xf0 [ 35.766214] ? lock_downgrade+0x720/0x720 [ 35.770350] ? lock_acquire+0x170/0x3c0 [ 35.774311] ? __alloc_fd+0x34/0x570 [ 35.778006] ? do_raw_spin_unlock+0x171/0x230 [ 35.782483] ? _raw_spin_unlock+0x29/0x40 [ 35.786634] ? __alloc_fd+0x28d/0x570 [ 35.790425] do_sys_open+0x3b3/0x520 [ 35.794122] ? filp_open+0x70/0x70 [ 35.797646] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.802994] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.807990] ? do_syscall_64+0x21/0x620 [ 35.811945] do_syscall_64+0xf9/0x620 [ 35.815728] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.820897] RIP: 0033:0x7fbc7b693779 [ 35.824593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 35.843477] RSP: 002b:00007ffea13f62f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 35.851168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc7b693779 [ 35.858418] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 [ 35.865670] RBP: 00007fbc7b653010 R08: 00000000000001e0 R09: 0000000000000000 [ 35.872922] R10: 00007ffea13f61c0 R11: 0000000000000246 R12: 00007fbc7b6530a0 [ 35.880172] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 35.887741] Kernel Offset: disabled [ 35.891395] Rebooting in 86400 seconds..