ci starts bisection 2023-06-04 09:45:49.159733869 +0000 UTC m=+243902.657688423 bisecting fixing commit since 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e building syzkaller on 18b586030b9a7e7f4c7208f44be8994740608841 ensuring issue is reproducible on original commit 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e testing commit 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 434bfc4dccc8b28d0a08d18ceaf6143d4dc1e06a6b607fd0f8f40ae0419e0cd3 all runs: crashed: WARNING in walk_component testing current HEAD e5282a7d8f6b604f2bb6a06457734b8cf1e2f8f2 testing commit e5282a7d8f6b604f2bb6a06457734b8cf1e2f8f2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a0bf781041a0bf4aa65e3225bfc9d816bd16092866521096092c6add557d15a5 run #0: crashed: WARNING in walk_component run #1: crashed: WARNING in walk_component run #2: crashed: WARNING in walk_component run #3: crashed: WARNING: locking bug in walk_component run #4: crashed: WARNING in walk_component run #5: crashed: WARNING in walk_component run #6: crashed: WARNING in walk_component run #7: crashed: WARNING in walk_component run #8: crashed: WARNING in walk_component run #9: crashed: WARNING in walk_component crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 25m44.715857133s (build: 18m7.813651087s, test: 6m27.943691316s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi crash: WARNING in walk_component ------------[ cut here ]------------ DEBUG_RWSEMS_WARN_ON(!is_rwsem_reader_owned(sem)): count = 0x1, magic = 0xffff88807174f930, owner = 0xffff888019815940, curr 0xffff888019811dc0, list empty WARNING: CPU: 1 PID: 5922 at kernel/locking/rwsem.c:1343 __up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343 Modules linked in: CPU: 1 PID: 5922 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:__up_read+0x5f4/0x750 kernel/locking/rwsem.c:1343 Code: 03 80 3c 02 00 0f 85 35 01 00 00 49 8b 17 4d 89 f1 4c 89 e9 48 c7 c6 20 95 6b 89 ff 34 24 48 c7 c7 40 93 6b 89 e8 cc 4c e9 ff <0f> 0b 5e e9 04 fb ff ff 48 c7 c7 ec 17 68 8d 48 89 04 24 e8 54 4d RSP: 0018:ffffc90004f5fb58 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8d6817ec RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000001 RBP: ffff88807174f938 R08: 0000000000000000 R09: ffffc90004f5f887 R10: fffff520009ebf10 R11: 0000000000000001 R12: 1ffff920009ebf6f R13: ffff88807174f930 R14: ffff888019811dc0 R15: ffff88807174f930 FS: 00007f4a97b1d700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4a8dffe000 CR3: 000000001644c000 CR4: 0000000000350ee0 Call Trace: inode_unlock_shared include/linux/fs.h:790 [inline] lookup_slow fs/namei.c:1708 [inline] walk_component+0x2ae/0x4e0 fs/namei.c:1998 lookup_last fs/namei.c:2455 [inline] path_lookupat+0x141/0x750 fs/namei.c:2479 filename_lookup+0x1a3/0x510 fs/namei.c:2508 user_path_at_empty+0x39/0x50 fs/namei.c:2907 user_path_at include/linux/namei.h:57 [inline] __do_sys_chdir fs/open.c:551 [inline] __se_sys_chdir fs/open.c:545 [inline] __x64_sys_chdir+0xaa/0x1f0 fs/open.c:545 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4a96e8c0f9 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:00007f4a97b1d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 RAX: ffffffffffffffda RBX: 00007f4a96fac050 RCX: 00007f4a96e8c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000380 RBP: 00007f4a96ee7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff90e4cf0f R14: 00007f4a97b1d300 R15: 0000000000022000