Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 557.223246][ T3146] ------------[ cut here ]------------ [ 557.224677][ T3146] WARNING: CPU: 1 PID: 3146 at fs/kernfs/dir.c:504 __kernfs_remove+0x6f4/0x7d8 [ 557.226915][ T3146] Modules linked in: executing program executing program [ 557.227856][ T3146] CPU: 1 PID: 3146 Comm: syz-executor290 Not tainted 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 [ 557.230433][ T3146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 557.232866][ T3146] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 557.234907][ T3146] pc : __kernfs_remove+0x6f4/0x7d8 [ 557.236137][ T3146] lr : __kernfs_remove+0x6f4/0x7d8 [ 557.237355][ T3146] sp : ffff8000127db8a0 [ 557.238361][ T3146] x29: ffff8000127db8d0 x28: ffff80000cee7f51 x27: 0000000080000001 [ 557.240345][ T3146] x26: ffff0000c0011800 x25: ffff80000d30c000 x24: ffff0000cce9df18 [ 557.242276][ T3146] x23: ffff0000ccdab190 x22: 0000000000000000 x21: ffff0000cce9df18 [ 557.244246][ T3146] x20: ffff0000cce9df18 x19: ffff8000086f8fcc x18: 000000000000013f [ 557.246200][ T3146] x17: 0000000000000005 x16: ffff80000db49158 x15: ffff0000c9033500 [ 557.248164][ T3146] x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c9033500 [ 557.250082][ T3146] x11: ff808000086f8964 x10: 0000000000000000 x9 : ffff8000086f8964 [ 557.252049][ T3146] x8 : ffff0000c9033500 x7 : ffff8000095d475c x6 : 0000000000000000 [ 557.254013][ T3146] x5 : 0000000080180001 x4 : fffffc000333a760 x3 : 0000000080180001 [ 557.255965][ T3146] x2 : ffff0000cce9df18 x1 : 0000000000000000 x0 : 0000000000000000 [ 557.257940][ T3146] Call trace: [ 557.258718][ T3146] __kernfs_remove+0x6f4/0x7d8 [ 557.259889][ T3146] kernfs_remove_by_name_ns+0x68/0xb8 [ 557.261237][ T3146] sysfs_remove_link+0x40/0x50 [ 557.262417][ T3146] sysfs_slab_add+0x70/0x260 [ 557.263562][ T3146] __kmem_cache_create+0x60/0x118 [ 557.264781][ T3146] kmem_cache_create_usercopy+0x19c/0x31c [ 557.266175][ T3146] p9_client_create+0x618/0x758 [ 557.267347][ T3146] v9fs_session_init+0xa4/0x9f0 [ 557.268580][ T3146] v9fs_mount+0x6c/0x568 [ 557.269588][ T3146] legacy_get_tree+0x30/0x74 [ 557.270708][ T3146] vfs_get_tree+0x40/0x140 [ 557.271788][ T3146] do_new_mount+0x1dc/0x4e4 [ 557.272914][ T3146] path_mount+0x358/0x914 [ 557.273949][ T3146] __arm64_sys_mount+0x2c4/0x3c4 [ 557.275154][ T3146] el0_svc_common+0x138/0x220 [ 557.276288][ T3146] do_el0_svc+0x48/0x164 [ 557.277323][ T3146] el0_svc+0x58/0x150 [ 557.278299][ T3146] el0t_64_sync_handler+0x84/0xf0 [ 557.279496][ T3146] el0t_64_sync+0x18c/0x190 [ 557.280602][ T3146] irq event stamp: 1138 [ 557.281589][ T3146] hardirqs last enabled at (1137): [] _raw_spin_unlock_irqrestore+0x48/0x8c [ 557.284121][ T3146] hardirqs last disabled at (1138): [] el1_dbg+0x24/0x5c [ 557.286297][ T3146] softirqs last enabled at (706): [] local_bh_enable+0x10/0x34 [ 557.288464][ T3146] softirqs last disabled at (704): [] local_bh_disable+0x10/0x34 [ 557.290752][ T3146] ---[ end trace 0000000000000000 ]--- executing program executing program [ 557.308962][ T3147] sysfs: cannot create duplicate filename '/devices/virtual/bdi/9p-76/subsystem' [ 557.312370][ T3147] CPU: 0 PID: 3147 Comm: syz-executor290 Tainted: G W 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 [ 557.315253][ T3147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 557.317711][ T3147] Call trace: [ 557.318503][ T3147] dump_backtrace+0x1c4/0x1f0 [ 557.319646][ T3147] show_stack+0x2c/0x54 [ 557.320656][ T3147] dump_stack_lvl+0x104/0x16c [ 557.321766][ T3147] dump_stack+0x1c/0x58 [ 557.322888][ T3147] sysfs_warn_dup+0x74/0x90 [ 557.324041][ T3147] sysfs_do_create_link_sd+0xa8/0x100 [ 557.325368][ T3147] sysfs_create_link+0x58/0x78 [ 557.326550][ T3147] device_add+0x40c/0x958 [ 557.327609][ T3147] device_create_groups_vargs+0xf4/0x15c [ 557.329028][ T3147] device_create+0x88/0xbc [ 557.330116][ T3147] bdi_register_va+0x8c/0x328 [ 557.331233][ T3147] super_setup_bdi_name+0x84/0x120 [ 557.332412][ T3147] super_setup_bdi+0x50/0x8c [ 557.333485][ T3147] v9fs_mount+0x1a4/0x568 [ 557.334551][ T3147] legacy_get_tree+0x30/0x74 [ 557.335655][ T3147] vfs_get_tree+0x40/0x140 [ 557.336757][ T3147] do_new_mount+0x1dc/0x4e4 [ 557.337860][ T3147] path_mount+0x358/0x914 [ 557.338940][ T3147] __arm64_sys_mount+0x2c4/0x3c4 [ 557.340174][ T3147] el0_svc_common+0x138/0x220 [ 557.341332][ T3147] do_el0_svc+0x48/0x164 [ 557.342357][ T3147] el0_svc+0x58/0x150 [ 557.343487][ T3147] el0t_64_sync_handler+0x84/0xf0 [ 557.344676][ T3147] el0t_64_sync+0x18c/0x190 executing program executing program executing program executing program executing program