[ 18.930687][ T5529] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.934823][ T5529] eql: remember to turn off Van-Jacobson compression on your slave devices [ 19.001850][ T511] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 19.009518][ T5439] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.696397][ T5944] ================================================================== [ 43.698209][ T5944] BUG: KASAN: null-ptr-deref in io_poll_remove_entries+0x358/0x598 [ 43.699889][ T5944] Read of size 8 at addr 0000000000000008 by task syz-executor632/5944 [ 43.701819][ T5944] [ 43.702329][ T5944] CPU: 0 PID: 5944 Comm: syz-executor632 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 43.704467][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 43.706717][ T5944] Call trace: [ 43.707462][ T5944] dump_backtrace+0x1c8/0x1f4 [ 43.708622][ T5944] show_stack+0x2c/0x3c [ 43.709650][ T5944] dump_stack_lvl+0xd0/0x124 [ 43.710701][ T5944] print_report+0xe4/0x514 [ 43.711695][ T5944] kasan_report+0xd4/0x130 [ 43.712684][ T5944] kasan_check_range+0x264/0x2a4 [ 43.713846][ T5944] __kasan_check_read+0x2c/0x3c [ 43.714942][ T5944] io_poll_remove_entries+0x358/0x598 [ 43.716178][ T5944] __io_arm_poll_handler+0x4e4/0x7f4 [ 43.717487][ T5944] io_arm_poll_handler+0x5b8/0xc74 [ 43.718629][ T5944] io_queue_async+0x90/0x4e4 [ 43.719676][ T5944] io_req_task_submit+0x18c/0x218 [ 43.720870][ T5944] io_poll_task_func+0xad0/0xdc4 [ 43.721913][ T5944] tctx_task_work+0x304/0xe68 [ 43.722985][ T5944] task_work_run+0x240/0x2f0 [ 43.724006][ T5944] do_notify_resume+0x2180/0x3c90 [ 43.725231][ T5944] el0_svc+0x9c/0x168 [ 43.726202][ T5944] el0t_64_sync_handler+0x84/0xf0 [ 43.727315][ T5944] el0t_64_sync+0x190/0x194 [ 43.728309][ T5944] ================================================================== [ 43.730441][ T5944] Disabling lock debugging due to kernel taint [ 43.731977][ T5944] BUG: sleeping function called from invalid context at arch/arm64/mm/fault.c:603 [ 43.734094][ T5944] in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 5944, name: syz-executor632 [ 43.736177][ T5944] preempt_count: 0, expected: 0 [ 43.737273][ T5944] RCU nest depth: 1, expected: 0 [ 43.738363][ T5944] INFO: lockdep is turned off. [ 43.739464][ T5944] CPU: 0 PID: 5944 Comm: syz-executor632 Tainted: G B 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 43.741963][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 43.744215][ T5944] Call trace: [ 43.744964][ T5944] dump_backtrace+0x1c8/0x1f4 [ 43.745977][ T5944] show_stack+0x2c/0x3c [ 43.746835][ T5944] dump_stack_lvl+0xd0/0x124 [ 43.747910][ T5944] dump_stack+0x1c/0x28 [ 43.748852][ T5944] __might_resched+0x374/0x4d0 [ 43.749955][ T5944] __might_sleep+0x90/0xe4 [ 43.750937][ T5944] do_page_fault+0x308/0xac4 [ 43.752010][ T5944] do_translation_fault+0x94/0xc8 [ 43.753105][ T5944] do_mem_abort+0x74/0x200 [ 43.754133][ T5944] el1_abort+0x3c/0x5c [ 43.755037][ T5944] el1h_64_sync_handler+0x60/0xac [ 43.756233][ T5944] el1h_64_sync+0x64/0x68 [ 43.757266][ T5944] io_poll_remove_entries+0x358/0x598 [ 43.758446][ T5944] __io_arm_poll_handler+0x4e4/0x7f4 [ 43.759629][ T5944] io_arm_poll_handler+0x5b8/0xc74 [ 43.760809][ T5944] io_queue_async+0x90/0x4e4 [ 43.761811][ T5944] io_req_task_submit+0x18c/0x218 [ 43.763078][ T5944] io_poll_task_func+0xad0/0xdc4 [ 43.764186][ T5944] tctx_task_work+0x304/0xe68 [ 43.765243][ T5944] task_work_run+0x240/0x2f0 [ 43.766208][ T5944] do_notify_resume+0x2180/0x3c90 [ 43.767323][ T5944] el0_svc+0x9c/0x168 [ 43.768299][ T5944] el0t_64_sync_handler+0x84/0xf0 [ 43.769468][ T5944] el0t_64_sync+0x190/0x194 [ 43.770527][ T5944] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 [ 43.772731][ T5944] Mem abort info: [ 43.773462][ T5944] ESR = 0x0000000096000006 [ 43.774483][ T5944] EC = 0x25: DABT (current EL), IL = 32 bits [ 43.775867][ T5944] SET = 0, FnV = 0 [ 43.776767][ T5944] EA = 0, S1PTW = 0 [ 43.777710][ T5944] FSC = 0x06: level 2 translation fault [ 43.779038][ T5944] Data abort info: [ 43.779901][ T5944] ISV = 0, ISS = 0x00000006 [ 43.780951][ T5944] CM = 0, WnR = 0 [ 43.781862][ T5944] user pgtable: 4k pages, 48-bit VAs, pgdp=000000010e20b000 [ 43.783453][ T5944] [0000000000000008] pgd=080000010e208003, p4d=080000010e208003, pud=080000010e48a003, pmd=0000000000000000 [ 43.785996][ T5944] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 43.787620][ T5944] Modules linked in: [ 43.788549][ T5944] CPU: 0 PID: 5944 Comm: syz-executor632 Tainted: G B W 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 [ 43.791205][ T5944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 43.793654][ T5944] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 43.795464][ T5944] pc : io_poll_remove_entries+0x358/0x598 [ 43.796753][ T5944] lr : io_poll_remove_entries+0x358/0x598 [ 43.798005][ T5944] sp : ffff80001e277480 [ 43.798976][ T5944] x29: ffff80001e277490 x28: ffff0000cae10b00 x27: 1fffe00019bf6720 [ 43.800856][ T5944] x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000000 [ 43.802628][ T5944] x23: ffff0000cdfb3944 x22: 0000000000000000 x21: ffff0000cae10b08 [ 43.804500][ T5944] x20: 0000000000000001 x19: 0000000000000008 x18: 1fffe000368951b6 [ 43.806405][ T5944] x17: ffff800015cdd000 x16: ffff800012461004 x15: ffff0001b44a8dbc [ 43.808407][ T5944] x14: ffff0001b44a8db8 x13: 1fffe000368951b6 x12: 0000000000000001 [ 43.810246][ T5944] x11: ff808000081bc408 x10: 0000000000000000 x9 : 0000000000000000 [ 43.812149][ T5944] x8 : 0000000000000000 x7 : 1fffe000368951b7 x6 : ffff80000828dc14 [ 43.813914][ T5944] x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000081bc3c4 [ 43.815662][ T5944] x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000 [ 43.817393][ T5944] Call trace: [ 43.818109][ T5944] io_poll_remove_entries+0x358/0x598 [ 43.819399][ T5944] __io_arm_poll_handler+0x4e4/0x7f4 [ 43.820708][ T5944] io_arm_poll_handler+0x5b8/0xc74 [ 43.821954][ T5944] io_queue_async+0x90/0x4e4 [ 43.823114][ T5944] io_req_task_submit+0x18c/0x218 [ 43.824282][ T5944] io_poll_task_func+0xad0/0xdc4 [ 43.825440][ T5944] tctx_task_work+0x304/0xe68 [ 43.826500][ T5944] task_work_run+0x240/0x2f0 [ 43.827557][ T5944] do_notify_resume+0x2180/0x3c90 [ 43.828784][ T5944] el0_svc+0x9c/0x168 [ 43.829735][ T5944] el0t_64_sync_handler+0x84/0xf0 [ 43.830878][ T5944] el0t_64_sync+0x190/0x194 [ 43.831896][ T5944] Code: 52800101 91002313 aa1303e0 977a7554 (c8dffe74) [ 43.833470][ T5944] ---[ end trace 0000000000000000 ]--- [ 44.217129][ T5944] Kernel panic - not syncing: Oops: Fatal exception [ 44.218613][ T5944] SMP: stopping secondary CPUs [ 44.219754][ T5944] Kernel Offset: disabled [ 44.220845][ T5944] CPU features: 0x000000,20700402,32017203 [ 44.222254][ T5944] Memory Limit: none [ 44.539437][ T5944] Rebooting in 86400 seconds..