[ 424.985442][ T441] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.142858][ T441] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.288478][ T441] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 425.432434][ T441] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 427.296771][ T441] device hsr_slave_0 left promiscuous mode [ 427.303696][ T441] device hsr_slave_1 left promiscuous mode [ 427.311797][ T441] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 427.320645][ T441] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 427.332615][ T441] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 427.341493][ T441] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 427.353549][ T441] device bridge_slave_1 left promiscuous mode [ 427.360942][ T441] bridge0: port 2(bridge_slave_1) entered disabled state [ 427.370131][ T441] device bridge_slave_0 left promiscuous mode [ 427.376947][ T441] bridge0: port 1(bridge_slave_0) entered disabled state [ 427.388049][ T441] device veth1_macvtap left promiscuous mode [ 427.394934][ T441] device veth0_macvtap left promiscuous mode [ 427.402351][ T441] device veth1_vlan left promiscuous mode [ 427.410047][ T441] device veth0_vlan left promiscuous mode [ 431.390024][ T441] team0 (unregistering): Port device team_slave_1 removed [ 431.405011][ T441] team0 (unregistering): Port device team_slave_0 removed [ 431.418402][ T441] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 431.435354][ T441] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 431.494692][ T441] bond0 (unregistering): Released all slaves Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. [ 431.730828][ T3465] ------------[ cut here ]------------ [ 431.736896][ T3465] WARNING: CPU: 1 PID: 3465 at fs/io_uring.c:9096 io_uring_flush+0x29d/0x310 [ 431.750416][ T3465] Modules linked in: [ 431.760999][ T3465] CPU: 1 PID: 3465 Comm: syz-executor900 Not tainted 5.11.0-rc1-syzkaller #0 [ 431.792366][ T3465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.831964][ T3465] RIP: 0010:io_uring_flush+0x29d/0x310 [ 431.856623][ T3465] Code: ff ff 5b 31 c0 5d 41 5c 41 5d 41 5e 41 5f c3 49 c7 84 24 a0 00 00 00 00 00 00 00 e9 ee fe ff ff e8 f8 85 e2 ff e9 0c fe ff ff <0f> 0b e9 6d ff ff ff e8 f7 85 e2 ff e9 8a fd ff ff 4c 89 e7 e8 ea [ 431.908597][ T3465] RSP: 0018:ffffc900051c7af8 EFLAGS: 00010297 [ 431.932702][ T3465] RAX: 0000000000000001 RBX: ffff88801969f000 RCX: ffffc900051c79c0 [ 431.960633][ T3465] RDX: 1ffff110281e3bba RSI: ffffffff888afd80 RDI: ffffffff88ddbc20 [ 431.981853][ T3465] RBP: ffff88804be9a500 R08: 0000000000000000 R09: 0000000000000000 [ 432.002427][ T3465] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801969f040 [ 432.021721][ T3465] R13: ffff888028f3dc00 R14: ffff88801969f0d0 R15: ffff888050c35600 [ 432.042062][ T3465] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 432.064055][ T3465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 432.083297][ T3465] CR2: 00007fa991a7c000 CR3: 0000000010b23000 CR4: 00000000001506f0 [ 432.102591][ T3465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 432.122596][ T3465] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 432.144098][ T3465] Call Trace: [ 432.154065][ T3465] filp_close+0x96/0x120 [ 432.164621][ T3465] put_files_struct+0x15c/0x2c0 [ 432.176883][ T3465] do_exit+0xa5b/0x2570 [ 432.189788][ T3465] ? mm_update_next_owner+0x6d0/0x6d0 [ 432.202325][ T3465] ? get_signal+0x277/0x1bd0 [ 432.214578][ T3465] ? lock_downgrade+0x6d0/0x6d0 [ 432.225858][ T3465] ? do_raw_spin_lock+0x120/0x2b0 [ 432.240743][ T3465] do_group_exit+0xe7/0x290 [ 432.253420][ T3465] get_signal+0x333/0x1bd0 [ 432.264012][ T3465] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 432.279599][ T3465] ? find_held_lock+0x2d/0x110 [ 432.291616][ T3465] ? copy_siginfo_to_user32+0xa0/0xa0 [ 432.311911][ T3465] ? __do_sys_futex+0x1fa/0x300 [ 432.332548][ T3465] ? do_futex+0x1410/0x1410 [ 432.350084][ T3465] exit_to_user_mode_prepare+0x148/0x250 [ 432.371287][ T3465] syscall_exit_to_user_mode+0x19/0x60 [ 432.391402][ T3465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.420142][ T3465] RIP: 0033:0x445929 [ 432.431190][ T3465] Code: Unable to access opcode bytes at RIP 0x4458ff. [ 432.454293][ T3465] RSP: 002b:00007f68959b8308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 432.489778][ T3465] RAX: fffffffffffffe00 RBX: 00000000004ca408 RCX: 0000000000445929 [ 432.515718][ T3465] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004ca408 [ 432.546075][ T3465] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 432.555965][ T3465] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca40c [ 432.583860][ T3465] R13: 0000000000000003 R14: 00007f68959b8400 R15: 0000000000022000 [ 432.607145][ T3465] Kernel panic - not syncing: panic_on_warn set ... [ 432.614634][ T3465] CPU: 0 PID: 3465 Comm: syz-executor900 Not tainted 5.11.0-rc1-syzkaller #0 [ 432.623659][ T3465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.635475][ T3465] Call Trace: [ 432.639208][ T3465] dump_stack+0x9a/0xcc [ 432.643848][ T3465] panic+0x256/0x4eb [ 432.648252][ T3465] ? __warn_printk+0xee/0xee [ 432.653151][ T3465] ? io_uring_flush+0x29d/0x310 [ 432.658308][ T3465] __warn.cold+0x2b/0x35 [ 432.662895][ T3465] ? io_uring_flush+0x29d/0x310 [ 432.668730][ T3465] report_bug+0x15a/0x1b0 [ 432.674141][ T3465] handle_bug+0x3c/0x60 [ 432.678850][ T3465] exc_invalid_op+0x14/0x40 [ 432.683870][ T3465] asm_exc_invalid_op+0x12/0x20 [ 432.688808][ T3465] RIP: 0010:io_uring_flush+0x29d/0x310 [ 432.694527][ T3465] Code: ff ff 5b 31 c0 5d 41 5c 41 5d 41 5e 41 5f c3 49 c7 84 24 a0 00 00 00 00 00 00 00 e9 ee fe ff ff e8 f8 85 e2 ff e9 0c fe ff ff <0f> 0b e9 6d ff ff ff e8 f7 85 e2 ff e9 8a fd ff ff 4c 89 e7 e8 ea [ 432.716504][ T3465] RSP: 0018:ffffc900051c7af8 EFLAGS: 00010297 [ 432.724411][ T3465] RAX: 0000000000000001 RBX: ffff88801969f000 RCX: ffffc900051c79c0 [ 432.733841][ T3465] RDX: 1ffff110281e3bba RSI: ffffffff888afd80 RDI: ffffffff88ddbc20 [ 432.742118][ T3465] RBP: ffff88804be9a500 R08: 0000000000000000 R09: 0000000000000000 [ 432.752429][ T3465] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801969f040 [ 432.761193][ T3465] R13: ffff888028f3dc00 R14: ffff88801969f0d0 R15: ffff888050c35600 [ 432.769884][ T3465] ? io_uring_flush+0x202/0x310 [ 432.775368][ T3465] filp_close+0x96/0x120 [ 432.780050][ T3465] put_files_struct+0x15c/0x2c0 [ 432.785023][ T3465] do_exit+0xa5b/0x2570 [ 432.789727][ T3465] ? mm_update_next_owner+0x6d0/0x6d0 [ 432.795289][ T3465] ? get_signal+0x277/0x1bd0 [ 432.800505][ T3465] ? lock_downgrade+0x6d0/0x6d0 [ 432.805616][ T3465] ? do_raw_spin_lock+0x120/0x2b0 [ 432.811361][ T3465] do_group_exit+0xe7/0x290 [ 432.818387][ T3465] get_signal+0x333/0x1bd0 [ 432.823431][ T3465] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 432.830268][ T3465] ? find_held_lock+0x2d/0x110 [ 432.835514][ T3465] ? copy_siginfo_to_user32+0xa0/0xa0 [ 432.841350][ T3465] ? __do_sys_futex+0x1fa/0x300 [ 432.846984][ T3465] ? do_futex+0x1410/0x1410 [ 432.851735][ T3465] exit_to_user_mode_prepare+0x148/0x250 [ 432.857799][ T3465] syscall_exit_to_user_mode+0x19/0x60 [ 432.863704][ T3465] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 432.870165][ T3465] RIP: 0033:0x445929 [ 432.874402][ T3465] Code: Unable to access opcode bytes at RIP 0x4458ff. [ 432.882241][ T3465] RSP: 002b:00007f68959b8308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 432.891639][ T3465] RAX: fffffffffffffe00 RBX: 00000000004ca408 RCX: 0000000000445929 [ 432.901546][ T3465] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004ca408 [ 432.910142][ T3465] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 432.918755][ T3465] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca40c [ 432.927955][ T3465] R13: 0000000000000003 R14: 00007f68959b8400 R15: 0000000000022000 [ 432.938768][ T3465] Kernel Offset: disabled [ 432.943616][ T3465] Rebooting in 86400 seconds..