erofs: read_super, device -> /dev/loop2 erofs: options -> erofs: z_erofs_unzip_lz4, failed to decompress, in[00000000a9df4c40, 4096] outlen[000000000f9b57db, 9000] ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9275 at drivers/staging/erofs/unzip_lz4.c:244 z_erofs_unzip_lz4.cold+0x44/0xa8 drivers/staging/erofs/unzip_lz4.c:244 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 9275 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:z_erofs_unzip_lz4.cold+0x44/0xa8 drivers/staging/erofs/unzip_lz4.c:244 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 RSP: 0018:ffff88804a4a6658 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff88808f661000 RCX: 0000000000000000 RDX: 0000000000028bb4 RSI: ffffffff814dff01 RDI: ffffed1009494cbd RBP: 0000000000002328 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 000000000000007f R13: ffffffff8dd58812 R14: ffffffff8dd56be0 R15: 0000000000001000 z_erofs_vle_unzip_fast_percpu+0xff/0x530 drivers/staging/erofs/unzip_vle_lz4.c:130 z_erofs_vle_unzip.isra.0+0x11fb/0x2460 drivers/staging/erofs/unzip_vle.c:960 z_erofs_vle_unzip_all drivers/staging/erofs/unzip_vle.c:1056 [inline] z_erofs_submit_and_unzip.isra.0+0x10dc/0x1930 drivers/staging/erofs/unzip_vle.c:1339 __z_erofs_vle_normalaccess_readpages drivers/staging/erofs/unzip_vle.c:1420 [inline] z_erofs_vle_normalaccess_readpages+0x6b0/0xa80 drivers/staging/erofs/unzip_vle.c:1435 read_pages.isra.0+0xf6/0x5d0 mm/readahead.c:123 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_sync_readahead mm/readahead.c:528 [inline] page_cache_sync_readahead+0x275/0x520 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x4b2/0x8a0 security/integrity/ima/ima_crypto.c:450 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fad81cdf0a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fad80251168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fad81dfef80 RCX: 00007fad81cdf0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fad81d3aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff8dd71e4f R14: 00007fad80251300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..