------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: work_struct hint: smc_tx_work+0x0/0x1d0 include/linux/workqueue.h:610 WARNING: CPU: 0 PID: 9331 at lib/debugobjects.c:325 debug_print_object+0x168/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9331 Comm: syz-executor688 Not tainted 5.2.0-rc5+ #58 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x744 kernel/panic.c:219 __warn.cold+0x20/0x4d kernel/panic.c:576 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986 RIP: 0010:debug_print_object+0x168/0x250 lib/debugobjects.c:325 Code: dd e0 c9 a4 87 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd e0 c9 a4 87 48 c7 c7 80 bf a4 87 e8 66 67 0d fe <0f> 0b 83 05 5b 30 4b 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff88809950fbb0 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815ad926 RDI: ffffed10132a1f68 RBP: ffff88809950fbf0 R08: ffff8880894cc600 R09: ffffed1015d040f1 R10: ffffed1015d040f0 R11: ffff8880ae820787 R12: 0000000000000001 R13: ffffffff88b716a0 R14: ffffffff81497fc0 R15: ffff8880a6542598 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x29f/0x464 lib/debugobjects.c:817 kmem_cache_free+0x18f/0x260 mm/slab.c:3697 sk_prot_free net/core/sock.c:1634 [inline] __sk_destruct+0x4bc/0x6e0 net/core/sock.c:1722 sk_destruct+0x7b/0x90 net/core/sock.c:1730 __sk_free+0xce/0x300 net/core/sock.c:1741 sk_free+0x42/0x50 net/core/sock.c:1752 sock_put include/net/sock.h:1725 [inline] smc_release+0x5a7/0x7b0 net/smc/af_smc.c:182 __sock_release+0xce/0x2a0 net/socket.c:601 sock_close+0x1b/0x30 net/socket.c:1273 __fput+0x2ff/0x890 fs/file_table.c:280 ____fput+0x16/0x20 fs/file_table.c:313 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:185 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:168 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:279 [inline] do_syscall_64+0x58e/0x680 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x401ff0 Code: 01 f0 ff ff 0f 83 40 0d 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 3d 8b 2d 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 14 0d 00 00 c3 48 83 ec 08 e8 7a 02 00 00 RSP: 002b:00007ffe820634f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000401ff0 RDX: 0000000000000001 RSI: 0000000000000006 RDI: 0000000000000003 RBP: 0000000000013351 R08: 0000000000000028 R09: 0000000300000000 R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000403190 R13: 0000000000403220 R14: 0000000000000000 R15: 0000000000000000 ======================================================