------------[ cut here ]------------ WARNING: CPU: 1 PID: 3330 at include/linux/seqlock.h:271 __seqprop_assert include/linux/seqlock.h:271 [inline] WARNING: CPU: 1 PID: 3330 at include/linux/seqlock.h:271 __seqprop_assert.constprop.0+0xf0/0x11c include/linux/seqlock.h:269 Modules linked in: Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 3330 Comm: kworker/1:3 Not tainted 5.12.0-rc3-syzkaller #0 Hardware name: ARM-Versatile Express Workqueue: events macvlan_process_broadcast Backtrace: [<81802550>] (dump_backtrace) from [<818027c4>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:252) r7:00000080 r6:600d0093 r5:00000000 r4:82b58344 [<818027ac>] (show_stack) from [<81809e98>] (__dump_stack lib/dump_stack.c:79 [inline]) [<818027ac>] (show_stack) from [<81809e98>] (dump_stack+0xb8/0xe8 lib/dump_stack.c:120) [<81809de0>] (dump_stack) from [<81803358>] (panic+0x130/0x378 kernel/panic.c:231) r7:81f48198 r6:82a390a4 r5:00000000 r4:82c6b0d0 [<81803228>] (panic) from [<802446f4>] (__warn+0xb0/0x164 kernel/panic.c:605) r3:82a2248c r2:00000000 r1:00000000 r0:81f48198 r7:0000010f [<80244644>] (__warn) from [<81803608>] (warn_slowpath_fmt+0x68/0xd4 kernel/panic.c:628) r7:80bdde28 r6:0000010f r5:81f40624 r4:00000000 [<818035a4>] (warn_slowpath_fmt) from [<80bdde28>] (__seqprop_assert include/linux/seqlock.h:271 [inline]) [<818035a4>] (warn_slowpath_fmt) from [<80bdde28>] (__seqprop_assert.constprop.0+0xf0/0x11c include/linux/seqlock.h:269) r8:5b734000 r7:0000000f r6:a409f3e0 r5:85833e40 r4:00000001 [<80bddd38>] (__seqprop_assert.constprop.0) from [<80bde9a8>] (u64_stats_update_begin include/linux/u64_stats_sync.h:129 [inline]) [<80bddd38>] (__seqprop_assert.constprop.0) from [<80bde9a8>] (macvlan_count_rx include/linux/if_macvlan.h:47 [inline]) [<80bddd38>] (__seqprop_assert.constprop.0) from [<80bde9a8>] (macvlan_broadcast+0x154/0x26c drivers/net/macvlan.c:291) r5:85833e40 r4:868cbf40 [<80bde854>] (macvlan_broadcast) from [<80bdeed8>] (macvlan_process_broadcast+0x258/0x2d0 drivers/net/macvlan.c:317) r10:80bdee30 r9:86584000 r8:869dbe7c r7:82b09c5c r6:00000000 r5:00000000 r4:858333c0 [<80bdec80>] (macvlan_process_broadcast) from [<80269484>] (process_one_work+0x2d4/0x998 kernel/workqueue.c:2275) r10:00000008 r9:82a22498 r8:82bfd34e r7:ddfe6400 r6:ddfe2d00 r5:86434900 r4:8658443c [<802691b0>] (process_one_work) from [<80269bac>] (worker_thread+0x64/0x54c kernel/workqueue.c:2421) r10:00000008 r9:869da000 r8:82a06d00 r7:ddfe2d38 r6:86434914 r5:ddfe2d00 r4:86434900 [<80269b48>] (worker_thread) from [<80271d20>] (kthread+0x184/0x1a4 kernel/kthread.c:292) r10:853e1e64 r9:86434900 r8:80269b48 r7:00000000 r6:869da000 r5:86441d40 r4:8690dc00 [<80271b9c>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:158) Exception stack(0x869dbfb0 to 0x869dbff8) bfa0: 00000000 00000000 00000000 00000000 bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80271b9c r4:86441d40 Rebooting in 86400 seconds..