Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.1.93' (ECDSA) to the list of known hosts.
2021/09/29 14:18:12 fuzzer started
2021/09/29 14:18:13 connecting to host at 10.128.0.169:37275
2021/09/29 14:18:13 checking machine...
2021/09/29 14:18:13 checking revisions...
2021/09/29 14:18:13 testing simple program...
syzkaller login: [ 72.443062][ T6562] chnl_net:caif_netlink_parms(): no params data found
[ 72.533749][ T6562] bridge0: port 1(bridge_slave_0) entered blocking state
[ 72.541278][ T6562] bridge0: port 1(bridge_slave_0) entered disabled state
[ 72.550216][ T6562] device bridge_slave_0 entered promiscuous mode
[ 72.560435][ T6562] bridge0: port 2(bridge_slave_1) entered blocking state
[ 72.567733][ T6562] bridge0: port 2(bridge_slave_1) entered disabled state
[ 72.575806][ T6562] device bridge_slave_1 entered promiscuous mode
[ 72.605836][ T6562] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 72.619255][ T6562] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 72.652823][ T6562] team0: Port device team_slave_0 added
[ 72.661254][ T6562] team0: Port device team_slave_1 added
[ 72.690953][ T6562] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 72.698095][ T6562] 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.
[ 72.725556][ T6562] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 72.739198][ T6562] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 72.746244][ T6562] 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.
[ 72.773312][ T6562] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 72.824707][ T6562] device hsr_slave_0 entered promiscuous mode
[ 72.833292][ T6562] device hsr_slave_1 entered promiscuous mode
[ 72.921732][ T6562] ------------[ cut here ]------------
[ 72.928175][ T6562] WARNING: CPU: 1 PID: 6562 at net/core/devlink.c:5158 devlink_nl_region_notify+0x184/0x1e0
[ 72.939798][ T6562] Modules linked in:
[ 72.943837][ T6562] CPU: 1 PID: 6562 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210929-syzkaller #0
[ 72.954546][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 72.965307][ T6562] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 72.971936][ T6562] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 e1 03 45 fa e8 dc 03 45 fa <0f> 0b e9 f7 fe ff ff e8 d0 03 45 fa 0f 0b eb da 4c 89 e7 e8 b4 62
[ 72.992375][ T6562] RSP: 0018:ffffc90002c3f660 EFLAGS: 00010293
[ 72.998631][ T6562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 73.006795][ T6562] RDX: ffff88801d199d00 RSI: ffffffff87313be4 RDI: 0000000000000003
[ 73.015081][ T6562] RBP: ffff88801d320b00 R08: 0000000000000000 R09: 0000000000000000
[ 73.023259][ T6562] R10: ffffffff87313ada R11: 0000000000000000 R12: ffff888019ed5000
[ 73.031791][ T6562] R13: 0000000000000000 R14: 000000000000002c R15: ffff888019ed5070
[ 73.039950][ T6562] FS: 00005555560ce400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 73.049213][ T6562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.055824][ T6562] CR2: 00007f6594537000 CR3: 00000000684dd000 CR4: 00000000003506e0
[ 73.064638][ T6562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 73.073067][ T6562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 73.081860][ T6562] Call Trace:
[ 73.085240][ T6562]
[ 73.088251][ T6562] devlink_region_create+0x39f/0x4c0
[ 73.093681][ T6562] nsim_dev_probe+0x5f6/0x1150
[ 73.098668][ T6562] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 73.104367][ T6562] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 73.110876][ T6562] ? kernfs_create_link+0x1b3/0x230
[ 73.116114][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 73.122512][ T6562] ? kernfs_put+0x31/0x50
[ 73.127097][ T6562] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 73.133560][ T6562] ? sysfs_do_create_link_sd+0xbb/0x140
[ 73.139596][ T6562] ? sysfs_create_link+0x67/0xc0
[ 73.144847][ T6562] ? nsim_bus_remove+0x20/0x20
[ 73.149737][ T6562] really_probe+0x245/0xcc0
[ 73.154780][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 73.161135][ T6562] __driver_probe_device+0x338/0x4d0
[ 73.166457][ T6562] driver_probe_device+0x4c/0x1a0
[ 73.171937][ T6562] __device_attach_driver+0x20b/0x2f0
[ 73.177397][ T6562] ? driver_allows_async_probing+0x150/0x150
[ 73.183564][ T6562] bus_for_each_drv+0x15f/0x1e0
[ 73.188701][ T6562] ? bus_for_each_dev+0x1d0/0x1d0
[ 73.193744][ T6562] ? rcu_read_lock_sched_held+0x3a/0x70
[ 73.199558][ T6562] __device_attach+0x228/0x4a0
[ 73.204517][ T6562] ? device_driver_attach+0x210/0x210
[ 73.210207][ T6562] ? kobject_uevent_env+0x2bb/0x1650
[ 73.215707][ T6562] bus_probe_device+0x1e4/0x290
[ 73.220655][ T6562] device_add+0xc17/0x1ee0
[ 73.225091][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 73.231042][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 73.236518][ T6562] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0
[ 73.242858][ T6562] ? __raw_spin_lock_init+0x36/0x110
[ 73.248582][ T6562] new_device_store+0x48b/0x770
[ 73.253447][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 73.259562][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 73.265407][ T6562] ? sysfs_file_ops+0x1c0/0x1c0
[ 73.270468][ T6562] bus_attr_store+0x72/0xa0
[ 73.275241][ T6562] ? bus_attr_show+0x90/0x90
[ 73.280005][ T6562] sysfs_kf_write+0x110/0x160
[ 73.284838][ T6562] kernfs_fop_write_iter+0x342/0x500
[ 73.290414][ T6562] new_sync_write+0x429/0x660
[ 73.295109][ T6562] ? new_sync_read+0x6e0/0x6e0
[ 73.300267][ T6562] ? lock_release+0x720/0x720
[ 73.305241][ T6562] vfs_write+0x7cf/0xae0
[ 73.309582][ T6562] ksys_write+0x12d/0x250
[ 73.313931][ T6562] ? __ia32_sys_read+0xb0/0xb0
[ 73.318920][ T6562] ? syscall_enter_from_user_mode+0x21/0x70
[ 73.324850][ T6562] do_syscall_64+0x35/0xb0
[ 73.329374][ T6562] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.335492][ T6562] RIP: 0033:0x7f3dbe12f3ef
[ 73.340018][ T6562] 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
[ 73.360456][ T6562] RSP: 002b:00007ffcb02d3780 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 73.369016][ T6562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3dbe12f3ef
[ 73.377103][ T6562] RDX: 0000000000000003 RSI: 00007ffcb02d37d0 RDI: 0000000000000004
[ 73.385300][ T6562] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffcb02d3720
[ 73.393596][ T6562] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3dbe1d6971
[ 73.402046][ T6562] R13: 00007ffcb02d37d0 R14: 0000000000000000 R15: 00007ffcb02d3ea0
[ 73.410543][ T6562]
[ 73.413585][ T6562] Kernel panic - not syncing: panic_on_warn set ...
[ 73.420396][ T6562] CPU: 1 PID: 6562 Comm: syz-executor.0 Not tainted 5.15.0-rc3-next-20210929-syzkaller #0
[ 73.430546][ T6562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.441241][ T6562] Call Trace:
[ 73.444611][ T6562]
[ 73.447627][ T6562] dump_stack_lvl+0xcd/0x134
[ 73.452231][ T6562] panic+0x2b0/0x6dd
[ 73.456633][ T6562] ? __warn_printk+0xf3/0xf3
[ 73.461249][ T6562] ? __warn.cold+0x1a/0x44
[ 73.465948][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 73.472057][ T6562] __warn.cold+0x35/0x44
[ 73.476410][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 73.482375][ T6562] report_bug+0x1bd/0x210
[ 73.487006][ T6562] handle_bug+0x3c/0x60
[ 73.491428][ T6562] exc_invalid_op+0x14/0x40
[ 73.495971][ T6562] asm_exc_invalid_op+0x12/0x20
[ 73.500819][ T6562] RIP: 0010:devlink_nl_region_notify+0x184/0x1e0
[ 73.507320][ T6562] Code: 38 41 b8 c0 0c 00 00 31 d2 48 89 ee 4c 89 e7 e8 62 0b 26 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e e9 e1 03 45 fa e8 dc 03 45 fa <0f> 0b e9 f7 fe ff ff e8 d0 03 45 fa 0f 0b eb da 4c 89 e7 e8 b4 62
[ 73.527633][ T6562] RSP: 0018:ffffc90002c3f660 EFLAGS: 00010293
[ 73.534021][ T6562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 73.542364][ T6562] RDX: ffff88801d199d00 RSI: ffffffff87313be4 RDI: 0000000000000003
[ 73.550514][ T6562] RBP: ffff88801d320b00 R08: 0000000000000000 R09: 0000000000000000
[ 73.558968][ T6562] R10: ffffffff87313ada R11: 0000000000000000 R12: ffff888019ed5000
[ 73.568433][ T6562] R13: 0000000000000000 R14: 000000000000002c R15: ffff888019ed5070
[ 73.576616][ T6562] ? devlink_nl_region_notify+0x7a/0x1e0
[ 73.582524][ T6562] ? devlink_nl_region_notify+0x184/0x1e0
[ 73.588426][ T6562] devlink_region_create+0x39f/0x4c0
[ 73.594167][ T6562] nsim_dev_probe+0x5f6/0x1150
[ 73.598935][ T6562] ? nsim_esw_legacy_enable+0x1b0/0x1b0
[ 73.604481][ T6562] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 73.610992][ T6562] ? kernfs_create_link+0x1b3/0x230
[ 73.616353][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 73.622599][ T6562] ? kernfs_put+0x31/0x50
[ 73.626946][ T6562] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 73.633578][ T6562] ? sysfs_do_create_link_sd+0xbb/0x140
[ 73.639402][ T6562] ? sysfs_create_link+0x67/0xc0
[ 73.644609][ T6562] ? nsim_bus_remove+0x20/0x20
[ 73.649497][ T6562] really_probe+0x245/0xcc0
[ 73.654106][ T6562] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 73.661046][ T6562] __driver_probe_device+0x338/0x4d0
[ 73.667038][ T6562] driver_probe_device+0x4c/0x1a0
[ 73.672174][ T6562] __device_attach_driver+0x20b/0x2f0
[ 73.677540][ T6562] ? driver_allows_async_probing+0x150/0x150
[ 73.683791][ T6562] bus_for_each_drv+0x15f/0x1e0
[ 73.688649][ T6562] ? bus_for_each_dev+0x1d0/0x1d0
[ 73.693668][ T6562] ? rcu_read_lock_sched_held+0x3a/0x70
[ 73.699935][ T6562] __device_attach+0x228/0x4a0
[ 73.704687][ T6562] ? device_driver_attach+0x210/0x210
[ 73.710056][ T6562] ? kobject_uevent_env+0x2bb/0x1650
[ 73.715530][ T6562] bus_probe_device+0x1e4/0x290
[ 73.720374][ T6562] device_add+0xc17/0x1ee0
[ 73.724869][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 73.730315][ T6562] ? lockdep_init_map_type+0x2c3/0x7b0
[ 73.735991][ T6562] ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0
[ 73.742428][ T6562] ? __raw_spin_lock_init+0x36/0x110
[ 73.747811][ T6562] new_device_store+0x48b/0x770
[ 73.752814][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 73.758967][ T6562] ? nsim_bus_dev_numvfs_store+0x3e0/0x3e0
[ 73.764869][ T6562] ? sysfs_file_ops+0x1c0/0x1c0
[ 73.769738][ T6562] bus_attr_store+0x72/0xa0
[ 73.774335][ T6562] ? bus_attr_show+0x90/0x90
[ 73.779228][ T6562] sysfs_kf_write+0x110/0x160
[ 73.785092][ T6562] kernfs_fop_write_iter+0x342/0x500
[ 73.791388][ T6562] new_sync_write+0x429/0x660
[ 73.796077][ T6562] ? new_sync_read+0x6e0/0x6e0
[ 73.800932][ T6562] ? lock_release+0x720/0x720
[ 73.805732][ T6562] vfs_write+0x7cf/0xae0
[ 73.810092][ T6562] ksys_write+0x12d/0x250
[ 73.814842][ T6562] ? __ia32_sys_read+0xb0/0xb0
[ 73.819643][ T6562] ? syscall_enter_from_user_mode+0x21/0x70
[ 73.826018][ T6562] do_syscall_64+0x35/0xb0
[ 73.831002][ T6562] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.837042][ T6562] RIP: 0033:0x7f3dbe12f3ef
[ 73.841686][ T6562] 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
[ 73.863237][ T6562] RSP: 002b:00007ffcb02d3780 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
[ 73.871911][ T6562] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3dbe12f3ef
[ 73.879931][ T6562] RDX: 0000000000000003 RSI: 00007ffcb02d37d0 RDI: 0000000000000004
[ 73.888522][ T6562] RBP: 0000000000000004 R08: 0000000000000000 R09: 00007ffcb02d3720
[ 73.896754][ T6562] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f3dbe1d6971
[ 73.904901][ T6562] R13: 00007ffcb02d37d0 R14: 0000000000000000 R15: 00007ffcb02d3ea0
[ 73.913422][ T6562]
[ 73.916961][ T6562] Kernel Offset: disabled
[ 73.921459][ T6562] Rebooting in 86400 seconds..