Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. 2021/09/29 01:07:31 fuzzer started 2021/09/29 01:07:31 connecting to host at 10.128.0.169:45553 2021/09/29 01:07:31 checking machine... 2021/09/29 01:07:31 checking revisions... 2021/09/29 01:07:32 testing simple program... syzkaller login: [ 70.803543][ T6548] chnl_net:caif_netlink_parms(): no params data found [ 70.875194][ T6548] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.883718][ T6548] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.892675][ T6548] device bridge_slave_0 entered promiscuous mode [ 70.902730][ T6548] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.910568][ T6548] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.919554][ T6548] device bridge_slave_1 entered promiscuous mode [ 70.950097][ T6548] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.961836][ T6548] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.994535][ T6548] team0: Port device team_slave_0 added [ 71.002367][ T6548] team0: Port device team_slave_1 added [ 71.029775][ T6548] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.037250][ T6548] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.064561][ T6548] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.077505][ T6548] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.085170][ T6548] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.112457][ T6548] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.150775][ T6548] device hsr_slave_0 entered promiscuous mode [ 71.158474][ T6548] device hsr_slave_1 entered promiscuous mode [ 71.246269][ T6548] ------------[ cut here ]------------ [ 71.254735][ T6548] WARNING: CPU: 0 PID: 6548 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0 [ 71.266751][ T6548] Modules linked in: [ 71.270979][ T6548] CPU: 0 PID: 6548 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.281566][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.292904][ T6548] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.299719][ T6548] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 72 1a 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 f1 bb 41 fa e8 ec bb 41 fa <0f> 0b e9 f7 fe ff ff e8 e0 bb 41 fa 0f 0b eb da 4c 89 e7 e8 b4 17 [ 71.322640][ T6548] RSP: 0018:ffffc9000c857658 EFLAGS: 00010293 [ 71.329013][ T6548] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.339031][ T6548] RDX: ffff88807e15d580 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 71.348123][ T6548] RBP: ffff88801e265200 R08: 0000000000000000 R09: 0000000000000000 [ 71.356979][ T6548] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff88801a816000 [ 71.365590][ T6548] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801a816070 [ 71.373786][ T6548] FS: 00005555571a6400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 71.382916][ T6548] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.389519][ T6548] CR2: 00007f5fa67e0000 CR3: 000000006a5f5000 CR4: 00000000003506f0 [ 71.397971][ T6548] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.406156][ T6548] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.414521][ T6548] Call Trace: [ 71.418269][ T6548] devlink_region_create+0x39f/0x4c0 [ 71.423651][ T6548] nsim_dev_probe+0x5f6/0x1150 [ 71.428574][ T6548] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.434382][ T6548] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.441187][ T6548] ? kernfs_create_link+0x1b3/0x230 [ 71.446653][ T6548] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.453101][ T6548] ? kernfs_put+0x31/0x50 [ 71.457537][ T6548] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.463858][ T6548] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.469429][ T6548] ? sysfs_create_link+0x67/0xc0 [ 71.474496][ T6548] ? nsim_bus_remove+0x20/0x20 [ 71.479286][ T6548] really_probe+0x245/0xcc0 [ 71.484148][ T6548] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.490669][ T6548] __driver_probe_device+0x338/0x4d0 [ 71.496311][ T6548] driver_probe_device+0x4c/0x1a0 [ 71.501443][ T6548] __device_attach_driver+0x20b/0x2f0 [ 71.506954][ T6548] ? driver_allows_async_probing+0x150/0x150 [ 71.513152][ T6548] bus_for_each_drv+0x15f/0x1e0 [ 71.518035][ T6548] ? bus_for_each_dev+0x1d0/0x1d0 [ 71.523182][ T6548] ? rcu_read_lock_sched_held+0x3a/0x70 [ 71.528979][ T6548] __device_attach+0x228/0x4a0 [ 71.534414][ T6548] ? device_driver_attach+0x210/0x210 [ 71.539924][ T6548] ? kobject_uevent_env+0x2bb/0x1650 [ 71.545351][ T6548] bus_probe_device+0x1e4/0x290 [ 71.550225][ T6548] device_add+0xc35/0x21b0 [ 71.554775][ T6548] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.560506][ T6548] ? lockdep_init_map_type+0x2c3/0x7b0 [ 71.566247][ T6548] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 71.573127][ T6548] ? __raw_spin_lock_init+0x36/0x110 [ 71.578647][ T6548] new_device_store+0x48b/0x770 [ 71.583770][ T6548] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.589964][ T6548] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 71.596120][ T6548] ? sysfs_file_ops+0x1c0/0x1c0 [ 71.601403][ T6548] bus_attr_store+0x72/0xa0 [ 71.606028][ T6548] ? bus_attr_show+0x90/0x90 [ 71.610996][ T6548] sysfs_kf_write+0x110/0x160 [ 71.615974][ T6548] kernfs_fop_write_iter+0x342/0x500 [ 71.621633][ T6548] new_sync_write+0x429/0x660 [ 71.626509][ T6548] ? new_sync_read+0x6e0/0x6e0 [ 71.631559][ T6548] ? lock_release+0x720/0x720 [ 71.636505][ T6548] vfs_write+0x7cf/0xae0 [ 71.640849][ T6548] ksys_write+0x12d/0x250 [ 71.645575][ T6548] ? __ia32_sys_read+0xb0/0xb0 [ 71.650413][ T6548] ? syscall_enter_from_user_mode+0x21/0x70 [ 71.656428][ T6548] do_syscall_64+0x35/0xb0 [ 71.661538][ T6548] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 71.667572][ T6548] RIP: 0033:0x7f614c2713ef [ 71.672342][ T6548] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 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 cc fd ff ff 48 [ 71.692560][ T6548] RSP: 002b:00007ffc474f90e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 71.701585][ T6548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f614c2713ef [ 71.710330][ T6548] RDX: 0000000000000003 RSI: 00007ffc474f9130 RDI: 0000000000000004 [ 71.719054][ T6548] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffc474f9080 [ 71.727677][ T6548] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f614c318971 [ 71.735990][ T6548] R13: 00007ffc474f9130 R14: 0000000000000000 R15: 00007ffc474f9800 [ 71.744513][ T6548] Kernel panic - not syncing: panic_on_warn set ... [ 71.751273][ T6548] CPU: 0 PID: 6548 Comm: syz-executor.0 Not tainted 5.15.0-rc2-syzkaller #0 [ 71.760535][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.770955][ T6548] Call Trace: [ 71.774329][ T6548] dump_stack_lvl+0xcd/0x134 [ 71.779027][ T6548] panic+0x2b0/0x6dd [ 71.782925][ T6548] ? __warn_printk+0xf3/0xf3 [ 71.787792][ T6548] ? __warn.cold+0x1a/0x44 [ 71.792735][ T6548] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.799187][ T6548] __warn.cold+0x35/0x44 [ 71.803621][ T6548] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.809917][ T6548] report_bug+0x1bd/0x210 [ 71.814385][ T6548] handle_bug+0x3c/0x60 [ 71.818626][ T6548] exc_invalid_op+0x14/0x40 [ 71.823320][ T6548] asm_exc_invalid_op+0x12/0x20 [ 71.828350][ T6548] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0 [ 71.834771][ T6548] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 72 1a 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 f1 bb 41 fa e8 ec bb 41 fa <0f> 0b e9 f7 fe ff ff e8 e0 bb 41 fa 0f 0b eb da 4c 89 e7 e8 b4 17 [ 71.856689][ T6548] RSP: 0018:ffffc9000c857658 EFLAGS: 00010293 [ 71.863314][ T6548] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 71.871893][ T6548] RDX: ffff88807e15d580 RSI: ffffffff87344fa4 RDI: 0000000000000003 [ 71.879875][ T6548] RBP: ffff88801e265200 R08: 0000000000000000 R09: 0000000000000000 [ 71.888888][ T6548] R10: ffffffff87344e9a R11: 0000000000000000 R12: ffff88801a816000 [ 71.896854][ T6548] R13: 0000000000000000 R14: 000000000000002c R15: ffff88801a816070 [ 71.905119][ T6548] ? devlink_nl_region_notify+0x7a/0x1e0 [ 71.913215][ T6548] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.919583][ T6548] ? devlink_nl_region_notify+0x184/0x1e0 [ 71.925676][ T6548] devlink_region_create+0x39f/0x4c0 [ 71.931083][ T6548] nsim_dev_probe+0x5f6/0x1150 [ 71.936229][ T6548] ? nsim_esw_legacy_enable+0x1b0/0x1b0 [ 71.942098][ T6548] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 71.948447][ T6548] ? kernfs_create_link+0x1b3/0x230 [ 71.953935][ T6548] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 71.960761][ T6548] ? kernfs_put+0x31/0x50 [ 71.965614][ T6548] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 71.972616][ T6548] ? sysfs_do_create_link_sd+0xbb/0x140 [ 71.978542][ T6548] ? sysfs_create_link+0x67/0xc0 [ 71.983748][ T6548] ? nsim_bus_remove+0x20/0x20 [ 71.988638][ T6548] really_probe+0x245/0xcc0 [ 71.993451][ T6548] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 72.000000][ T6548] __driver_probe_device+0x338/0x4d0 [ 72.005911][ T6548] driver_probe_device+0x4c/0x1a0 [ 72.011115][ T6548] __device_attach_driver+0x20b/0x2f0 [ 72.016842][ T6548] ? driver_allows_async_probing+0x150/0x150 [ 72.022830][ T6548] bus_for_each_drv+0x15f/0x1e0 [ 72.027779][ T6548] ? bus_for_each_dev+0x1d0/0x1d0 [ 72.032816][ T6548] ? rcu_read_lock_sched_held+0x3a/0x70 [ 72.038378][ T6548] __device_attach+0x228/0x4a0 [ 72.043351][ T6548] ? device_driver_attach+0x210/0x210 [ 72.048738][ T6548] ? kobject_uevent_env+0x2bb/0x1650 [ 72.054035][ T6548] bus_probe_device+0x1e4/0x290 [ 72.058904][ T6548] device_add+0xc35/0x21b0 [ 72.063324][ T6548] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.068778][ T6548] ? lockdep_init_map_type+0x2c3/0x7b0 [ 72.074234][ T6548] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 72.080472][ T6548] ? __raw_spin_lock_init+0x36/0x110 [ 72.085773][ T6548] new_device_store+0x48b/0x770 [ 72.090717][ T6548] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.096626][ T6548] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0 [ 72.102526][ T6548] ? sysfs_file_ops+0x1c0/0x1c0 [ 72.107377][ T6548] bus_attr_store+0x72/0xa0 [ 72.111879][ T6548] ? bus_attr_show+0x90/0x90 [ 72.116569][ T6548] sysfs_kf_write+0x110/0x160 [ 72.121347][ T6548] kernfs_fop_write_iter+0x342/0x500 [ 72.126638][ T6548] new_sync_write+0x429/0x660 [ 72.131322][ T6548] ? new_sync_read+0x6e0/0x6e0 [ 72.136114][ T6548] ? lock_release+0x720/0x720 [ 72.140812][ T6548] vfs_write+0x7cf/0xae0 [ 72.145159][ T6548] ksys_write+0x12d/0x250 [ 72.149580][ T6548] ? __ia32_sys_read+0xb0/0xb0 [ 72.154356][ T6548] ? syscall_enter_from_user_mode+0x21/0x70 [ 72.160538][ T6548] do_syscall_64+0x35/0xb0 [ 72.164960][ T6548] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 72.170865][ T6548] RIP: 0033:0x7f614c2713ef [ 72.175450][ T6548] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 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 cc fd ff ff 48 [ 72.195487][ T6548] RSP: 002b:00007ffc474f90e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 72.203897][ T6548] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f614c2713ef [ 72.212098][ T6548] RDX: 0000000000000003 RSI: 00007ffc474f9130 RDI: 0000000000000004 [ 72.220250][ T6548] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffc474f9080 [ 72.228421][ T6548] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f614c318971 [ 72.236488][ T6548] R13: 00007ffc474f9130 R14: 0000000000000000 R15: 00007ffc474f9800 [ 72.245294][ T6548] Kernel Offset: disabled [ 72.249723][ T6548] Rebooting in 86400 seconds..