[ 15.399486][ T5648] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.406102][ T5648] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.454047][ T39] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.458162][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.129' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.764994][ T1600] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.005066][ T1600] usb 1-1: Using ep0 maxpacket: 8 [ 35.285167][ T1600] usb 1-1: New USB device found, idVendor=2040, idProduct=5510, bcdDevice=63.24 [ 35.287235][ T1600] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 35.288996][ T1600] usb 1-1: Product: syz [ 35.289854][ T1600] usb 1-1: Manufacturer: syz [ 35.290850][ T1600] usb 1-1: SerialNumber: syz [ 35.294113][ T1600] usb 1-1: config 0 descriptor?? [ 35.338702][ T1600] smsusb:smsusb_probe: board id=8, interface number 0 [ 35.340329][ T1600] ------------[ cut here ]------------ [ 35.341469][ T1600] WARNING: CPU: 1 PID: 1600 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 [ 35.343472][ T1600] Modules linked in: [ 35.344361][ T1600] CPU: 1 PID: 1600 Comm: kworker/1:2 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 35.346385][ T1600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 35.348551][ T1600] Workqueue: usb_hub_wq hub_event [ 35.349644][ T1600] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.351231][ T1600] pc : __flush_work+0x1b4/0x1c0 [ 35.352206][ T1600] lr : __flush_work+0x1b0/0x1c0 [ 35.353228][ T1600] sp : ffff80009b206580 [ 35.354096][ T1600] x29: ffff80009b2066b0 x28: 0000000000000000 x27: ffff80009b2067e8 [ 35.355849][ T1600] x26: 0000000000000001 x25: 1fffe00018c3801d x24: dfff800000000000 [ 35.357574][ T1600] x23: ffff700013640cb0 x22: ffff0000c61c0100 x21: ffff80009b2065a0 [ 35.359321][ T1600] x20: 0000000000000001 x19: ffff0000c61c00e8 x18: ffff80009b205f40 [ 35.361060][ T1600] x17: 0000000000000000 x16: ffff80008a3953c0 x15: ffff80008434df88 [ 35.362791][ T1600] x14: ffff800084358b64 x13: 0000000000000000 x12: 0000000000000001 [ 35.364506][ T1600] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 35.366246][ T1600] x8 : ffff0000cd3d9bc0 x7 : 0000000000000000 x6 : 000000000000003f [ 35.367948][ T1600] x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 [ 35.369781][ T1600] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.371508][ T1600] Call trace: [ 35.372179][ T1600] __flush_work+0x1b4/0x1c0 [ 35.373126][ T1600] __cancel_work_timer+0x3e4/0x540 [ 35.374237][ T1600] cancel_work_sync+0x24/0x38 [ 35.375307][ T1600] smsusb_term_device+0x98/0x1cc [ 35.376403][ T1600] smsusb_probe+0xcb8/0x1a0c [ 35.377389][ T1600] usb_probe_interface+0x500/0x984 [ 35.378480][ T1600] really_probe+0x394/0xa7c [ 35.379408][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.380533][ T1600] driver_probe_device+0x78/0x330 [ 35.381659][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.382703][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.383732][ T1600] __device_attach+0x2b4/0x434 [ 35.384768][ T1600] device_initial_probe+0x24/0x34 [ 35.385854][ T1600] bus_probe_device+0x178/0x240 [ 35.386799][ T1600] device_add+0xa44/0xdf0 [ 35.387739][ T1600] usb_set_configuration+0x15cc/0x1b38 [ 35.388856][ T1600] usb_generic_driver_probe+0x8c/0x148 [ 35.389896][ T1600] usb_probe_device+0x120/0x25c [ 35.390977][ T1600] really_probe+0x394/0xa7c [ 35.391866][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.392943][ T1600] driver_probe_device+0x78/0x330 [ 35.393956][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.395086][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.396083][ T1600] __device_attach+0x2b4/0x434 [ 35.397130][ T1600] device_initial_probe+0x24/0x34 [ 35.398160][ T1600] bus_probe_device+0x178/0x240 [ 35.399233][ T1600] device_add+0xa44/0xdf0 [ 35.400166][ T1600] usb_new_device+0x904/0x142c [ 35.401185][ T1600] hub_event+0x25e4/0x474c [ 35.402195][ T1600] process_one_work+0x788/0x12d4 [ 35.403309][ T1600] worker_thread+0x8e0/0xfe8 [ 35.404265][ T1600] kthread+0x288/0x310 [ 35.405159][ T1600] ret_from_fork+0x10/0x20 [ 35.406063][ T1600] irq event stamp: 135554 [ 35.407023][ T1600] hardirqs last enabled at (135553): [] __cancel_work_timer+0x3a4/0x540 [ 35.409178][ T1600] hardirqs last disabled at (135554): [] el1_dbg+0x24/0x80 [ 35.411081][ T1600] softirqs last enabled at (134794): [] __do_softirq+0xac0/0xd54 [ 35.413121][ T1600] softirqs last disabled at (134781): [] ____do_softirq+0x14/0x20 [ 35.415018][ T1600] ---[ end trace 0000000000000000 ]--- [ 35.416350][ T1600] ------------[ cut here ]------------ [ 35.417554][ T1600] WARNING: CPU: 1 PID: 1600 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 [ 35.419362][ T1600] Modules linked in: [ 35.420159][ T1600] CPU: 1 PID: 1600 Comm: kworker/1:2 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 35.422476][ T1600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 35.424600][ T1600] Workqueue: usb_hub_wq hub_event [ 35.425667][ T1600] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.427407][ T1600] pc : __flush_work+0x1b4/0x1c0 [ 35.428433][ T1600] lr : __flush_work+0x1b0/0x1c0 [ 35.429465][ T1600] sp : ffff80009b206580 [ 35.430359][ T1600] x29: ffff80009b2066b0 x28: 0000000000000000 x27: ffff80009b2067e8 [ 35.431998][ T1600] x26: 0000000000000001 x25: 1fffe00018c38041 x24: dfff800000000000 [ 35.433544][ T1600] x23: ffff700013640cb0 x22: ffff0000c61c0220 x21: ffff80009b2065a0 [ 35.435260][ T1600] x20: 0000000000000001 x19: ffff0000c61c0208 x18: ffff80009b205f40 [ 35.436996][ T1600] x17: 0000000000000000 x16: ffff80008a3953c0 x15: ffff80008434df88 [ 35.438665][ T1600] x14: ffff800084358b64 x13: 0000000000000000 x12: 0000000000000001 [ 35.440479][ T1600] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 35.442090][ T1600] x8 : ffff0000cd3d9bc0 x7 : 0000000000000000 x6 : 000000000000003f [ 35.443944][ T1600] x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 [ 35.445736][ T1600] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.447487][ T1600] Call trace: [ 35.448132][ T1600] __flush_work+0x1b4/0x1c0 [ 35.449108][ T1600] __cancel_work_timer+0x3e4/0x540 [ 35.450302][ T1600] cancel_work_sync+0x24/0x38 [ 35.451372][ T1600] smsusb_term_device+0x98/0x1cc [ 35.452448][ T1600] smsusb_probe+0xcb8/0x1a0c [ 35.453442][ T1600] usb_probe_interface+0x500/0x984 [ 35.454617][ T1600] really_probe+0x394/0xa7c [ 35.455583][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.456733][ T1600] driver_probe_device+0x78/0x330 [ 35.457838][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.458943][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.459978][ T1600] __device_attach+0x2b4/0x434 [ 35.460975][ T1600] device_initial_probe+0x24/0x34 [ 35.462060][ T1600] bus_probe_device+0x178/0x240 [ 35.463103][ T1600] device_add+0xa44/0xdf0 [ 35.464005][ T1600] usb_set_configuration+0x15cc/0x1b38 [ 35.465121][ T1600] usb_generic_driver_probe+0x8c/0x148 [ 35.466226][ T1600] usb_probe_device+0x120/0x25c [ 35.467274][ T1600] really_probe+0x394/0xa7c [ 35.468236][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.469411][ T1600] driver_probe_device+0x78/0x330 [ 35.470474][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.471647][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.472706][ T1600] __device_attach+0x2b4/0x434 [ 35.473735][ T1600] device_initial_probe+0x24/0x34 [ 35.474778][ T1600] bus_probe_device+0x178/0x240 [ 35.475776][ T1600] device_add+0xa44/0xdf0 [ 35.476778][ T1600] usb_new_device+0x904/0x142c [ 35.477844][ T1600] hub_event+0x25e4/0x474c [ 35.478737][ T1600] process_one_work+0x788/0x12d4 [ 35.479769][ T1600] worker_thread+0x8e0/0xfe8 [ 35.480763][ T1600] kthread+0x288/0x310 [ 35.481647][ T1600] ret_from_fork+0x10/0x20 [ 35.482572][ T1600] irq event stamp: 135574 [ 35.483416][ T1600] hardirqs last enabled at (135573): [] __cancel_work_timer+0x3a4/0x540 [ 35.485556][ T1600] hardirqs last disabled at (135574): [] el1_dbg+0x24/0x80 [ 35.487470][ T1600] softirqs last enabled at (135570): [] __do_softirq+0xac0/0xd54 [ 35.489612][ T1600] softirqs last disabled at (135557): [] ____do_softirq+0x14/0x20 [ 35.491659][ T1600] ---[ end trace 0000000000000000 ]--- [ 35.493346][ T1600] ------------[ cut here ]------------ [ 35.494514][ T1600] WARNING: CPU: 1 PID: 1600 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 [ 35.496494][ T1600] Modules linked in: [ 35.497356][ T1600] CPU: 1 PID: 1600 Comm: kworker/1:2 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 35.499884][ T1600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 35.502122][ T1600] Workqueue: usb_hub_wq hub_event [ 35.503242][ T1600] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 35.504899][ T1600] pc : __flush_work+0x1b4/0x1c0 [ 35.505899][ T1600] lr : __flush_work+0x1b0/0x1c0 [ 35.506849][ T1600] sp : ffff80009b206580 [ 35.507729][ T1600] x29: ffff80009b2066b0 x28: 0000000000000000 x27: ffff80009b2067e8 [ 35.509425][ T1600] x26: 0000000000000001 x25: 1fffe00018c38065 x24: dfff800000000000 [ 35.511143][ T1600] x23: ffff700013640cb0 x22: ffff0000c61c0340 x21: ffff80009b2065a0 [ 35.512928][ T1600] x20: 0000000000000001 x19: ffff0000c61c0328 x18: ffff80009b205f40 [ 35.514635][ T1600] x17: 0000000000000000 x16: ffff80008a3953c0 x15: ffff80008434df88 [ 35.516337][ T1600] x14: ffff800084358b64 x13: 0000000000000000 x12: 0000000000000001 [ 35.518036][ T1600] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 35.519754][ T1600] x8 : ffff0000cd3d9bc0 x7 : 0000000000000000 x6 : 000000000000003f [ 35.521517][ T1600] x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000000 [ 35.523199][ T1600] x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 [ 35.524876][ T1600] Call trace: [ 35.525554][ T1600] __flush_work+0x1b4/0x1c0 [ 35.526510][ T1600] __cancel_work_timer+0x3e4/0x540 [ 35.527552][ T1600] cancel_work_sync+0x24/0x38 [ 35.528519][ T1600] smsusb_term_device+0x98/0x1cc [ 35.529590][ T1600] smsusb_probe+0xcb8/0x1a0c [ 35.530531][ T1600] usb_probe_interface+0x500/0x984 [ 35.531574][ T1600] really_probe+0x394/0xa7c [ 35.532573][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.533769][ T1600] driver_probe_device+0x78/0x330 [ 35.534866][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.536032][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.537043][ T1600] __device_attach+0x2b4/0x434 [ 35.538047][ T1600] device_initial_probe+0x24/0x34 [ 35.539062][ T1600] bus_probe_device+0x178/0x240 [ 35.540179][ T1600] device_add+0xa44/0xdf0 [ 35.541158][ T1600] usb_set_configuration+0x15cc/0x1b38 [ 35.542326][ T1600] usb_generic_driver_probe+0x8c/0x148 [ 35.543454][ T1600] usb_probe_device+0x120/0x25c [ 35.544527][ T1600] really_probe+0x394/0xa7c [ 35.545543][ T1600] __driver_probe_device+0x194/0x3b4 [ 35.546630][ T1600] driver_probe_device+0x78/0x330 [ 35.547761][ T1600] __device_attach_driver+0x2a8/0x4f4 [ 35.548932][ T1600] bus_for_each_drv+0x228/0x2bc [ 35.549970][ T1600] __device_attach+0x2b4/0x434 [ 35.550933][ T1600] device_initial_probe+0x24/0x34 [ 35.552027][ T1600] bus_probe_device+0x178/0x240 [ 35.553121][ T1600] device_add+0xa44/0xdf0 [ 35.554096][ T1600] usb_new_device+0x904/0x142c [ 35.555157][ T1600] hub_event+0x25e4/0x474c [ 35.556097][ T1600] process_one_work+0x788/0x12d4 [ 35.557103][ T1600] worker_thread+0x8e0/0xfe8 [ 35.558026][ T1600] kthread+0x288/0x310 [ 35.558896][ T1600] ret_from_fork+0x10/0x20 [ 35.559826][ T1600] irq event stamp: 135602 [ 35.560686][ T1600] hardirqs last enabled at (135601): [] __cancel_work_timer+0x3a4/0x540 [ 35.562831][ T1600] hardirqs last disabled at (135602): [] el1_dbg+0x24/0x80 [ 35.564864][ T1600] softirqs last enabled at (135594): [] __do_softirq+0xac0/0xd54 [ 35.566938][ T1600] softirqs last disabled at (135577): [] ____do_softirq+0x14/0x20 [ 35.568888][ T1600] ---[ end trace 0000000000000000 ]--- [ 35.572124][ T1600] ------------[ cut here ]------------ [ 35.573279][ T1600] WARNING: CPU: 1 PID: 1600 at kernel/workqueue.c:3182 __flush_work+0x1b4/0x1c0 [ 35.575255][ T1600] Modules linked in: [ 35.576046][ T1600] CPU: 1 PID: 1600 Comm: kworker/1:2 Tainted: G W 6.4.0-rc7-syzkaller-ge40939bbfc68 #0 [ 35.578365][ T1600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 35.580557][ T1600] Workqueue: usb_hub_wq hub_event [ 35.581