ci starts bisection 2022-07-30 11:15:40.446727853 +0000 UTC m=+88124.615212112 bisecting fixing commit since d9b2ba67917c18822c6a09af41c32fa161f1606b building syzkaller on 1434eec0b84075b7246560cfa89f20cdb3d8077f testing commit d9b2ba67917c18822c6a09af41c32fa161f1606b compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bac152f14c7d94bc05d065f149428152e512223465e1932d2fc02cbf8f163b8a all runs: crashed: WARNING in mark_buffer_dirty testing current HEAD e65c6a46df94c8d76ea1129eb2d4564670c6f214 testing commit e65c6a46df94c8d76ea1129eb2d4564670c6f214 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 65d0585da19e36b45fd44c4f84f3afa36454685663d77f97f381dee230a39876 all runs: crashed: WARNING in mark_buffer_dirty revisions tested: 2, total time: 20m28.406893866s (build: 13m55.252680487s, test: 6m9.294877828s) the crash still happens on HEAD commit msg: Merge tag 'drm-fixes-2022-07-30' of git://anongit.freedesktop.org/drm/drm crash: WARNING in mark_buffer_dirty ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4187 at fs/buffer.c:1081 page_fixed_fake_head include/linux/page-flags.h:249 [inline] WARNING: CPU: 0 PID: 4187 at fs/buffer.c:1081 _compound_head include/linux/page-flags.h:276 [inline] WARNING: CPU: 0 PID: 4187 at fs/buffer.c:1081 TestSetPageDirty include/linux/page-flags.h:498 [inline] WARNING: CPU: 0 PID: 4187 at fs/buffer.c:1081 mark_buffer_dirty+0x3ff/0x6e0 fs/buffer.c:1102 Modules linked in: CPU: 0 PID: 4187 Comm: syz-executor.4 Not tainted 5.19.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:mark_buffer_dirty+0x3ff/0x6e0 fs/buffer.c:1081 Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 d2 02 00 00 48 8b 45 48 48 8d 58 ff a8 01 48 0f 44 dd e9 ad fe ff ff <0f> 0b e9 31 fc ff ff 0f 0b e9 3f fc ff ff e8 be 62 c9 ff 48 85 c0 RSP: 0018:ffffc90003307d98 EFLAGS: 00010246 RAX: 0000000000000418 RBX: ffff88806ab64128 RCX: ffffffff81c946e1 RDX: 1ffff1100d56c825 RSI: 0000000000000008 RDI: ffff88806ab64128 RBP: ffffffff89239200 R08: 0000000000000000 R09: ffff88806ab6412f R10: ffffed100d56c825 R11: 0000000000000001 R12: ffff88807c462000 R13: ffff88807050a300 R14: 0000000000000002 R15: ffff8880677f3a10 FS: 00007f51e0083700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f15e2ced018 CR3: 000000001cd95000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: minix_put_super+0x155/0x470 fs/minix/inode.c:49 generic_shutdown_super+0x12e/0x3a0 fs/super.c:462 kill_block_super+0x90/0xd0 fs/super.c:1394 deactivate_locked_super+0x7b/0x130 fs/super.c:332 cleanup_mnt+0x324/0x4d0 fs/namespace.c:1186 task_work_run+0xc0/0x160 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f51dee89109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f51e0083168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffec RBX: 00007f51def9c030 RCX: 00007f51dee89109 RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 00000000200002c0 RBP: 00007f51deee305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8ddd16df R14: 00007f51e0083300 R15: 0000000000022000