ci2 starts bisection 2024-12-26 23:05:36.447632303 +0000 UTC m=+48158.182741381 bisecting fixing commit since 3a5928702e7120f83f703fd566082bfb59f1a57e building syzkaller on 084d817847fa603dabdd081770a757e9c41f1ae7 ensuring issue is reproducible on original commit 3a5928702e7120f83f703fd566082bfb59f1a57e testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79721a3a87bc683fe023875b9c43376ce3d53c9a6f3cf3e87a537247c5f6375e all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fc50098b5c9b945069b641db33006241880bec8f5431b2766900fb6775374926 all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3706 full=7299 leaves diff=2036 split chunks (needed=false): <2036> split chunk #0 of len 2036 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 634c9f0e37f8ddeadd89d527a2dfb00bedb4897de5a6fdc6e9c9a02f82857062 all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b199680b568016dcbef5004c614f24ca34da2ddecdbf98ff67389ab141eb714 all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 32f85e61480a769dc304007f8420128786fbff6d2b99c4c70e4b4ca99b5ebd21 all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89da17a7fda3cfd93702ee8f69e384d4b1588454c9fd508d9ebafc32593346d2 all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c7a030d0f9a948636aafd7e0767bbef2d645ee62bccbbf2794b06c009681a8ce all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] the chunk can be dropped disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing current HEAD 91786f140358b1e56efdb0feccb337ce3a59c031 testing commit 91786f140358b1e56efdb0feccb337ce3a59c031 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5abfd938d81bc38d749ac39b8c6d46641adec4d2c18d8d1ef17133051bb7f11f all runs: crashed: WARNING in ext4_xattr_set_entry representative crash: WARNING in ext4_xattr_set_entry, types: [WARNING] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h7m3.090288325s (build: 1h14m48.391532851s, test: 45m57.375801277s) crash still not fixed or there were kernel test errors commit msg: Linux 5.15.175 crash: WARNING in ext4_xattr_set_entry EXT4-fs warning (device loop0): ext4_xattr_inode_create:1427: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1581 at fs/ext4/xattr.c:1429 ext4_xattr_inode_create fs/ext4/xattr.c:1427 [inline] WARNING: CPU: 0 PID: 1581 at fs/ext4/xattr.c:1429 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1547 [inline] WARNING: CPU: 0 PID: 1581 at fs/ext4/xattr.c:1429 ext4_xattr_set_entry+0x101f/0x1260 fs/ext4/xattr.c:1675 Modules linked in: CPU: 0 PID: 1581 Comm: syz-executor Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1429 [inline] RIP: 0010:ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1547 [inline] RIP: 0010:ext4_xattr_set_entry+0x101f/0x1260 fs/ext4/xattr.c:1675 Code: 00 00 8b 54 24 64 e8 80 61 f6 ff e9 a9 f6 ff ff 0f 0b 48 c7 c1 58 f8 32 82 ba 93 05 00 00 48 c7 c6 30 4e 03 82 e8 b1 79 ff ff <0f> 0b 41 bf ea ff ff ff e9 37 fd ff ff 41 89 e8 4c 8b 6c 24 68 4c RSP: 0018:ffffc9000018f9e0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc9000018fc40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888237c1b7f0 RDI: ffff888237c1b7f0 RBP: ffffc9000018fb50 R08: ffffffff82774628 R09: 0000000000000003 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000400 R13: ffff8881019b6c20 R14: 000000000000feeb R15: ffff88811701e010 FS: 000055557b7a4500(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffea290cd18 CR3: 000000010b30c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_xattr_block_set+0x42c/0xf00 fs/ext4/xattr.c:1995 ext4_xattr_move_to_block fs/ext4/xattr.c:2623 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2698 [inline] ext4_expand_extra_isize_ea+0x39a/0x900 fs/ext4/xattr.c:2790 __ext4_expand_extra_isize+0xc4/0x110 fs/ext4/inode.c:5857 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5900 [inline] __ext4_mark_inode_dirty+0x189/0x250 fs/ext4/inode.c:5978 ext4_dirty_inode+0x52/0x70 fs/ext4/inode.c:6010 __mark_inode_dirty+0x8e/0x470 fs/fs-writeback.c:2464 mark_inode_dirty_sync include/linux/fs.h:2474 [inline] iput.part.0+0x24/0x1e0 fs/inode.c:1767 __dentry_kill+0xe0/0x180 fs/dcache.c:586 shrink_dentry_list+0xb0/0x1c0 fs/dcache.c:1181 shrink_dcache_parent+0xee/0x150 fs/dcache.c:1632 do_one_tree fs/dcache.c:1662 [inline] shrink_dcache_for_umount+0x35/0x110 fs/dcache.c:1679 generic_shutdown_super+0x15/0x110 fs/super.c:447 kill_block_super+0x1c/0x50 fs/super.c:1427 deactivate_locked_super+0x27/0x90 fs/super.c:335 cleanup_mnt+0x12c/0x180 fs/namespace.c:1143 task_work_run+0x54/0x80 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:181 [inline] exit_to_user_mode_prepare+0x184/0x190 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x12/0x30 kernel/entry/common.c:307 do_syscall_64+0x40/0x80 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f822c446327 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffea290d4c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f822c4b7134 RCX: 00007f822c446327 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffea290d580 RBP: 00007ffea290d580 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffea290e600 R13: 00007f822c4b7134 R14: 000000000000cb55 R15: 00007ffea290e640