------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 6876 at kernel/locking/mutex.c:1415 mutex_trylock+0x220/0x2c0 kernel/locking/mutex.c:1415 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6876 Comm: syz-executor217 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563 RIP: 0010:mutex_trylock+0x220/0x2c0 kernel/locking/mutex.c:1415 Code: 08 84 d2 0f 85 99 00 00 00 8b 3d cb 08 c8 02 85 ff 0f 85 6a fe ff ff 48 c7 c6 a0 9c 4b 88 48 c7 c7 60 9a 4b 88 e8 82 77 5e f9 <0f> 0b e9 50 fe ff ff ff 74 24 38 48 8d 7b 68 45 31 c9 31 c9 41 b8 RSP: 0018:ffffc900016a7818 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8880910603f8 RCX: 0000000000000000 RDX: ffff888097834140 RSI: ffffffff815d4f87 RDI: fffff520002d4ef5 RBP: ffff888091060080 R08: 0000000000000000 R09: ffffffff89bb5be3 R10: 000000000000059c R11: 0000000000000001 R12: ffffffff8c90d1a0 R13: ffff8880910603c0 R14: 0000000000000000 R15: ffff8880910605b8 rxrpc_recvmsg+0x695/0x1a03 net/rxrpc/recvmsg.c:593 sock_recvmsg_nosec net/socket.c:886 [inline] sock_recvmsg net/socket.c:904 [inline] sock_recvmsg net/socket.c:900 [inline] ____sys_recvmsg+0x2c4/0x640 net/socket.c:2575 ___sys_recvmsg+0x127/0x200 net/socket.c:2617 do_recvmmsg+0x24d/0x6d0 net/socket.c:2715 __sys_recvmmsg net/socket.c:2794 [inline] __do_sys_recvmmsg net/socket.c:2817 [inline] __se_sys_recvmmsg net/socket.c:2810 [inline] __x64_sys_recvmmsg+0x20b/0x260 net/socket.c:2810 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x446cd9 Code: Bad RIP value. RSP: 002b:00007f42cfd77d98 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00000000006dcc38 RCX: 0000000000446cd9 RDX: 0000000000000001 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00000000006dcc30 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc3c R13: 0000000000000007 R14: 0000000100000110 R15: 0000000000000018 Kernel Offset: disabled Rebooting in 86400 seconds..