[ 440.770317][ T1142] bridge_slave_1: left allmulticast mode [ 440.774533][ T1142] bridge_slave_1: left promiscuous mode [ 440.776518][ T1142] bridge0: port 2(bridge_slave_1) entered disabled state [ 440.786494][ T1142] bridge_slave_0: left allmulticast mode [ 440.789222][ T1142] bridge_slave_0: left promiscuous mode [ 440.791494][ T1142] bridge0: port 1(bridge_slave_0) entered disabled state [ 440.794287][T28304] FAULT_INJECTION: forcing a failure. [ 440.794287][T28304] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 440.799612][T28304] CPU: 3 UID: 0 PID: 28304 Comm: syz.1.41966 Not tainted 6.15.0-rc4-syzkaller-gb6ea1680d0ac #0 PREEMPT(full) [ 440.799659][T28304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 440.799669][T28304] Call Trace: [ 440.799676][T28304] [ 440.799682][T28304] dump_stack_lvl+0x16c/0x1f0 [ 440.799707][T28304] should_fail_ex+0x512/0x640 [ 440.799729][T28304] _copy_from_user+0x2e/0xd0 [ 440.799771][T28304] kstrtouint_from_user+0xd6/0x1d0 [ 440.799790][T28304] ? __pfx_kstrtouint_from_user+0x10/0x10 [ 440.799804][T28304] ? __lock_acquire+0xaa4/0x1ba0 [ 440.799836][T28304] proc_fail_nth_write+0x83/0x250 [ 440.799859][T28304] ? __pfx_proc_fail_nth_write+0x10/0x10 [ 440.799885][T28304] vfs_write+0x25c/0x1180 [ 440.799905][T28304] ? __pfx_proc_fail_nth_write+0x10/0x10 [ 440.799929][T28304] ? __pfx___mutex_lock+0x10/0x10 [ 440.799947][T28304] ? __pfx_vfs_write+0x10/0x10 [ 440.799973][T28304] ? __fget_files+0x20e/0x3c0 [ 440.800002][T28304] ksys_write+0x12a/0x240 [ 440.800022][T28304] ? __pfx_ksys_write+0x10/0x10 [ 440.800040][T28304] ? rcu_is_watching+0x12/0xc0 [ 440.800064][T28304] do_syscall_64+0xcd/0x260 [ 440.800087][T28304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 440.800102][T28304] RIP: 0033:0x7f744e57c9df [ 440.800115][T28304] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48 [ 440.800129][T28304] RSP: 002b:00007f744f423030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 440.800146][T28304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f744e57c9df [ 440.800153][T28304] RDX: 0000000000000001 RSI: 00007f744f4230a0 RDI: 0000000000000007 [ 440.800160][T28304] RBP: 00007f744f423090 R08: 0000000000000000 R09: 0000000000000000 [ 440.800166][T28304] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 440.800173][T28304] R13: 0000000000000000 R14: 00007f744e735f80 R15: 00007ffde05405d8 [ 440.800187][T28304] [ 441.177380][ T1142] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 441.185692][ T1142] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 441.189868][ T1142] bond0 (unregistering): Released all slaves [ 441.434589][T28470] FAULT_INJECTION: forcing a failure. [ 441.434589][T28470] name fail_usercopy, interval 1, probability 0, space 0, times 0 [ 441.440416][T28470] CPU: 2 UID: 0 PID: 28470 Comm: syz.0.42044 Not tainted 6.15.0-rc4-syzkaller-gb6ea1680d0ac #0 PREEMPT(full) [ 441.440440][T28470] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 441.440451][T28470] Call Trace: [ 441.440458][T28470] [ 441.440465][T28470] dump_stack_lvl+0x16c/0x1f0 [ 441.440492][T28470] should_fail_ex+0x512/0x640 [ 441.440519][T28470] _copy_from_user+0x2e/0xd0 [ 441.440543][T28470] kstrtouint_from_user+0xd6/0x1d0 [ 441.440562][T28470] ? __pfx_kstrtouint_from_user+0x10/0x10 [ 441.440579][T28470] ? __lock_acquire+0xaa4/0x1ba0 [ 441.440617][T28470] proc_fail_nth_write+0x83/0x250 [ 441.440643][T28470] ? __pfx_proc_fail_nth_write+0x10/0x10 [ 441.440675][T28470] vfs_write+0x25c/0x1180 [ 441.440697][T28470] ? __pfx_proc_fail_nth_write+0x10/0x10 [ 441.440725][T28470] ? __pfx___mutex_lock+0x10/0x10 [ 441.440747][T28470] ? __pfx_vfs_write+0x10/0x10 [ 441.440779][T28470] ? __fget_files+0x20e/0x3c0 [ 441.440814][T28470] ksys_write+0x12a/0x240 [ 441.440838][T28470] ? __pfx_ksys_write+0x10/0x10 [ 441.440860][T28470] ? rcu_is_watching+0x12/0xc0 [ 441.440888][T28470] do_syscall_64+0xcd/0x260 [ 441.440912][T28470] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.440930][T28470] RIP: 0033:0x7f4f42d7c9df [ 441.440945][T28470] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48 [ 441.440961][T28470] RSP: 002b:00007f4f43b4e030 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 441.440978][T28470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f42d7c9df [ 441.440989][T28470] RDX: 0000000000000001 RSI: 00007f4f43b4e0a0 RDI: 0000000000000007 [ 441.441000][T28470] RBP: 00007f4f43b4e090 R08: 0000000000000000 R09: 0000000000000000 [ 441.441010][T28470] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 441.441020][T28470] R13: 0000000000000000 R14: 00007f4f42f35f80 R15: 00007ffc97cba578 [ 441.441059][T28470] [ 441.472507][ T67] Bluetooth: hci4: command tx timeout [ 441.524754][ T1142] hsr_slave_0: left promiscuous mode [ 441.530430][ T1142] hsr_slave_1: left promiscuous mode [ 441.530795][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 441.530838][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 441.533682][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 441.533703][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 441.579696][ T1142] veth1_macvtap: left promiscuous mode [ 441.579735][ T1142] veth0_macvtap: left promiscuous mode [ 441.579803][ T1142] veth1_vlan: left promiscuous mode [ 441.579852][ T1142] veth0_vlan: left promiscuous mode [ 441.874711][ T67] Bluetooth: hci0: command tx timeout [ 442.240442][ T1142] team0 (unregistering): Port device team_slave_1 removed [ 442.299853][ T1142] team0 (unregistering): Port device team_slave_0 removed [ 443.272371][ T1142] netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.381373][ T1142] netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.461732][ T1142] netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.520125][ T1142] netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.678911][ T1142] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.760651][ T1142] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.822587][ T1142] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 443.884630][ T1142] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 444.040173][ T1142] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 444.133845][ T1142] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 444.202156][ T1142] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 444.318644][ T1142] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 444.456760][ T1142] bridge_slave_1: left allmulticast mode [ 444.459173][ T1142] bridge_slave_1: left promiscuous mode [ 444.461792][ T1142] bridge0: port 2(bridge_slave_1) entered disabled state [ 444.466426][ T1142] bridge_slave_0: left allmulticast mode [ 444.468769][ T1142] bridge_slave_0: left promiscuous mode [ 444.471352][ T1142] bridge0: port 1(bridge_slave_0) entered disabled state [ 444.478022][ T1142] bridge_slave_1: left allmulticast mode [ 444.480077][ T1142] bridge_slave_1: left promiscuous mode [ 444.483358][ T1142] bridge0: port 2(bridge_slave_1) entered disabled state [ 444.486607][ T1142] bridge_slave_0: left allmulticast mode [ 444.488374][ T1142] bridge_slave_0: left promiscuous mode [ 444.490286][ T1142] bridge0: port 1(bridge_slave_0) entered disabled state [ 444.496639][ T1142] bridge_slave_1: left allmulticast mode [ 444.498939][ T1142] bridge_slave_1: left promiscuous mode [ 444.502284][ T1142] bridge0: port 2(bridge_slave_1) entered disabled state [ 444.507627][ T1142] bridge_slave_0: left allmulticast mode [ 444.509958][ T1142] bridge_slave_0: left promiscuous mode [ 444.512639][ T1142] bridge0: port 1(bridge_slave_0) entered disabled state [ 444.518602][ T1142] bridge_slave_1: left allmulticast mode [ 444.520903][ T1142] bridge_slave_1: left promiscuous mode [ 444.523495][ T1142] bridge0: port 2(bridge_slave_1) entered disabled state [ 444.528146][ T1142] bridge_slave_0: left allmulticast mode [ 444.530431][ T1142] bridge_slave_0: left promiscuous mode [ 444.534001][ T1142] bridge0: port 1(bridge_slave_0) entered disabled state [ 445.186546][ T1142] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 445.191506][ T1142] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 445.196064][ T1142] bond0 (unregistering): Released all slaves [ 445.251654][ T1142] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 445.257196][ T1142] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 445.262301][ T1142] bond0 (unregistering): Released all slaves [ 445.326493][ T1142] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 445.332310][ T1142] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 445.337121][ T1142] bond0 (unregistering): Released all slaves [ 445.404542][ T1142] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 445.410020][ T1142] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 445.415082][ T1142] bond0 (unregistering): Released all slaves [ 446.106191][ T1142] hsr_slave_0: left promiscuous mode [ 446.109100][ T1142] hsr_slave_1: left promiscuous mode [ 446.113425][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 446.117479][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 446.127148][ T1142] hsr_slave_0: left promiscuous mode [ 446.129982][ T1142] hsr_slave_1: left promiscuous mode [ 446.132973][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 446.136059][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 446.139683][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 446.142851][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 446.149524][ T1142] hsr_slave_0: left promiscuous mode [ 446.152761][ T1142] hsr_slave_1: left promiscuous mode [ 446.155504][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 446.158616][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 446.162526][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 446.165282][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 446.172412][ T1142] hsr_slave_0: left promiscuous mode [ 446.175117][ T1142] hsr_slave_1: left promiscuous mode [ 446.177658][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 446.180113][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 446.183007][ T1142] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 446.185421][ T1142] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 446.251471][ T1142] veth1_macvtap: left promiscuous mode [ 446.253239][ T1142] veth0_macvtap: left promiscuous mode [ 446.255193][ T1142] veth1_vlan: left promiscuous mode [ 446.256902][ T1142] veth0_vlan: left promiscuous mode [ 446.259754][ T1142] veth1_macvtap: left promiscuous mode [ 446.262010][ T1142] veth0_macvtap: left promiscuous mode [ 446.264125][ T1142] veth1_vlan: left promiscuous mode [ 446.266029][ T1142] veth0_vlan: left promiscuous mode [ 446.268619][ T1142] veth1_macvtap: left promiscuous mode [ 446.270400][ T1142] veth0_macvtap: left promiscuous mode [ 446.273499][ T1142] veth1_vlan: left promiscuous mode [ 446.275515][ T1142] veth0_vlan: left promiscuous mode [ 446.580412][ T1142] team0 (unregistering): Port device team_slave_1 removed [ 446.619435][ T1142] team0 (unregistering): Port device team_slave_0 removed [ 447.257494][ T1142] team0 (unregistering): Port device team_slave_1 removed [ 447.313057][ T1142] team0 (unregistering): Port device team_slave_0 removed [ 448.123696][ T1142] team0 (unregistering): Port device team_slave_1 removed [ 448.171211][ T1142] team0 (unregistering): Port device team_slave_0 removed [ 448.929137][ T1142] team0 (unregistering): Port device team_slave_1 removed [ 448.978915][ T1142] team0 (unregistering): Port device team_slave_0 removed