BUG: stack guard page was hit at ffffc9001816ff98 (stack is ffffc90018170000..ffffc90018177fff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 31348 Comm: syz-executor.5 Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:validate_chain+0xdf/0x8240 kernel/locking/lockdep.c:3756 Code: 25 27 48 b8 f2 05 f2 f2 f2 05 f3 f3 4b 89 44 25 2f 43 c6 44 25 37 f3 48 89 b4 24 98 00 00 00 48 8d 5e 20 48 89 d8 48 c1 e8 03 <48> 89 44 24 58 42 8a 04 20 84 c0 0f 85 de 09 00 00 48 89 5c 24 10 RSP: 0018:ffffc9001816ffa0 EFLAGS: 00010806 RAX: 1ffff1100fbfe4e2 RBX: ffff88807dff2710 RCX: 9677725295a7f444 RDX: 0000000000000000 RSI: ffff88807dff26f0 RDI: ffff88807dff1c80 RBP: ffffc900181702b0 R08: dffffc0000000000 R09: fffffbfff1fa2fc3 R10: fffffbfff1fa2fc3 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200302e014 R14: 9677725295a7f444 R15: 9677725295a7f444 FS: 00007ff8c9f78700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001816ff98 CR3: 00000000791b8000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lock_acquire+0x1382/0x2b00 kernel/locking/lockdep.c:5015 lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5625 do_write_seqcount_begin_nested include/linux/seqlock.h:520 [inline] do_write_seqcount_begin include/linux/seqlock.h:545 [inline] psi_group_change+0x13e/0x1000 kernel/sched/psi.c:703 psi_task_switch+0x27b/0x780 kernel/sched/psi.c:849 psi_sched_switch kernel/sched/stats.h:140 [inline] __schedule+0x123a/0x1270 kernel/sched/core.c:6282 preempt_schedule_common kernel/sched/core.c:6459 [inline] preempt_schedule+0x14d/0x190 kernel/sched/core.c:6484 preempt_schedule_thunk+0x16/0x18 unwind_next_frame+0x13fc/0x1fa0 arch/x86/kernel/unwind_orc.c:611 arch_stack_walk+0x112/0x140 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11b/0x1e0 kernel/stacktrace.c:121 kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0x10d/0x150 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1700 [inline] slab_free_freelist_hook+0x129/0x1a0 mm/slub.c:1725 slab_free mm/slub.c:3483 [inline] kmem_cache_free+0x85/0x180 mm/slub.c:3499 netlink_broadcast_filtered+0xff5/0x1110 net/netlink/af_netlink.c:1524 netlink_broadcast+0x35/0x50 net/netlink/af_netlink.c:1546 ethtool_notify net/ethtool/netlink.c:699 [inline] ethnl_notify_features net/ethtool/netlink.c:710 [inline] ethnl_netdev_event+0x8c/0xd0 net/ethtool/netlink.c:718 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_change_features+0x72/0x1b0 net/core/dev.c:10040 bond_compute_features+0x6b5/0x790 drivers/net/bonding/bond_main.c:1471 bond_slave_netdev_event+0x240/0xb90 drivers/net/bonding/bond_main.c:3638 bond_netdev_event+0x102/0x1a0 drivers/net/bonding/bond_main.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:1996 [inline] call_netdevice_notifiers_extack net/core/dev.c:2008 [inline] call_netdevice_notifiers net/core/dev.c:2022 [inline] netdev_features_change net/core/dev.c:1368 [inline] netdev_sync_lower_features+0x3ba/0x620 net/core/dev.c:9821 __netdev_update_features+0x578/0x1460 net/core/dev.c:9968 netdev_update_features+0x6d/0x1c0 net/core/dev.c:10023 dev_disable_lro+0x43/0x280 net/core/dev.c:1640 br_add_if+0xccb/0x1c30 net/bridge/br_if.c:645 add_del_if net/bridge/br_ioctl.c:97 [inline] br_ioctl_stub+0x234/0x9f0 net/bridge/br_ioctl.c:405 br_ioctl_call+0x77/0xa0 net/socket.c:1092 dev_ifsioc+0x8e3/0x13e0 net/core/dev_ioctl.c:386 dev_ioctl+0x598/0xf30 net/core/dev_ioctl.c:587 sock_do_ioctl+0x34d/0x5b0 net/socket.c:1132 sock_ioctl+0x4f7/0x990 net/socket.c:1235 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7ff8cca01739 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff8c9f78188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff8ccb05f80 RCX: 00007ff8cca01739 RDX: 0000000020000000 RSI: 00000000000089a2 RDI: 0000000000000004 RBP: 00007ff8cca5bcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff8ccb05f80 R13: 00007fffebd7161f R14: 00007ff8c9f78300 R15: 0000000000022000 Modules linked in: ---[ end trace 210ac30f88c8bae4 ]--- RIP: 0010:validate_chain+0xdf/0x8240 kernel/locking/lockdep.c:3756 Code: 25 27 48 b8 f2 05 f2 f2 f2 05 f3 f3 4b 89 44 25 2f 43 c6 44 25 37 f3 48 89 b4 24 98 00 00 00 48 8d 5e 20 48 89 d8 48 c1 e8 03 <48> 89 44 24 58 42 8a 04 20 84 c0 0f 85 de 09 00 00 48 89 5c 24 10 RSP: 0018:ffffc9001816ffa0 EFLAGS: 00010806 RAX: 1ffff1100fbfe4e2 RBX: ffff88807dff2710 RCX: 9677725295a7f444 RDX: 0000000000000000 RSI: ffff88807dff26f0 RDI: ffff88807dff1c80 RBP: ffffc900181702b0 R08: dffffc0000000000 R09: fffffbfff1fa2fc3 R10: fffffbfff1fa2fc3 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200302e014 R14: 9677725295a7f444 R15: 9677725295a7f444 FS: 00007ff8c9f78700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9001816ff98 CR3: 00000000791b8000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 25 27 48 b8 f2 and $0xf2b84827,%eax 5: 05 f2 f2 f2 05 add $0x5f2f2f2,%eax a: f3 f3 4b 89 44 25 2f repz xrelease mov %rax,0x2f(%r13,%r12,1) 11: 43 c6 44 25 37 f3 movb $0xf3,0x37(%r13,%r12,1) 17: 48 89 b4 24 98 00 00 mov %rsi,0x98(%rsp) 1e: 00 1f: 48 8d 5e 20 lea 0x20(%rsi),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 48 89 44 24 58 mov %rax,0x58(%rsp) <-- trapping instruction 2f: 42 8a 04 20 mov (%rax,%r12,1),%al 33: 84 c0 test %al,%al 35: 0f 85 de 09 00 00 jne 0xa19 3b: 48 89 5c 24 10 mov %rbx,0x10(%rsp)