bisecting fixing commit since 4c4f0c2bf3415a5fe7512d17d841bc1f8020b2cb building syzkaller on 8cac236e8c3741446e540b2fe0702086a4ae4c17 testing commit 4c4f0c2bf3415a5fe7512d17d841bc1f8020b2cb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7bdbf2e662c36dc0df4451b3e2ecc5442f3f95f3fe4b84efe54cf955dba62ad7 all runs: crashed: WARNING: still has locks held in rxrpc_sendmsg testing current HEAD e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 testing commit e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2804aa4c9799dcb18b391d07172ed965a8b947b63575485fca6fb22ef514c497 all runs: crashed: WARNING: still has locks held in rxrpc_sendmsg revisions tested: 2, total time: 33m27.909358007s (build: 13m40.417940097s, test: 18m58.917326526s) the crash still happens on HEAD commit msg: Linux 5.17-rc1 crash: WARNING: still has locks held in rxrpc_sendmsg ==================================== WARNING: syz-executor226/25704 still has locks held! 5.17.0-rc1-syzkaller #0 Not tainted ------------------------------------ 1 lock held by syz-executor226/25704: #0: ffff888074645f70 (sk_lock-AF_RXRPC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff888074645f70 (sk_lock-AF_RXRPC){+.+.}-{0:0}, at: rxrpc_sendmsg+0xd0/0x5d0 net/rxrpc/af_rxrpc.c:520 stack backtrace: CPU: 0 PID: 25704 Comm: syz-executor226 Not tainted 5.17.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106 try_to_freeze include/linux/freezer.h:66 [inline] get_signal+0x1812/0x20b0 kernel/signal.c:2652 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fda2ece7b39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fda2ec77208 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: fffffffffffffe00 RBX: 00007fda2ed6f3f8 RCX: 00007fda2ece7b39 RDX: 0000000000000001 RSI: 0000000020001900 RDI: 0000000000000003 RBP: 00007fda2ed6f3f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda2ed6f3fc R13: 00007ffe3a889e3f R14: 00007fda2ec77300 R15: 0000000000022000