BUG: unable to handle page fault for address: 000001e0ffffea08 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16430 Comm: syz-executor.2 Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:find_stack lib/stackdepot.c:209 [inline] RIP: 0010:stack_depot_save+0x12b/0x4e0 lib/stackdepot.c:281 Code: 05 7a 64 b8 0c 89 da 81 e2 ff ff 0f 00 4c 8d 3c d0 4d 8b 37 4d 85 f6 75 11 e9 94 00 00 00 4d 8b 36 4d 85 f6 0f 84 88 00 00 00 <41> 39 5e 08 75 ee 45 3b 66 0c 75 e8 31 c0 49 8b 4c c6 18 48 39 4c RSP: 0018:ffffc90001bee8f0 EFLAGS: 00010206 RAX: ffff88823b000000 RBX: 0000000035fdad9c RCX: 0000000000000001 RDX: 00000000000dad9c RSI: 0000000000002a20 RDI: 000000004c47e0cb RBP: ffffc90001bee960 R08: 00000000acdca2cc R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000020 R14: 000001e0ffffea00 R15: ffff88823b6d6ce0 FS: 0000000002209400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001e0ffffea08 CR3: 000000004d359000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_save_stack+0x32/0x40 mm/kasan/common.c:40 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:428 [inline] __kasan_slab_alloc+0x84/0xa0 mm/kasan/common.c:461 kasan_slab_alloc include/linux/kasan.h:236 [inline] slab_post_alloc_hook mm/slab.h:527 [inline] slab_alloc_node mm/slub.c:2924 [inline] slab_alloc mm/slub.c:2932 [inline] kmem_cache_alloc+0x152/0x3a0 mm/slub.c:2937 radix_tree_node_alloc.constprop.0+0x1e4/0x350 lib/radix-tree.c:251 idr_get_free+0x554/0xa60 lib/radix-tree.c:1505 idr_alloc_u32+0x170/0x2d0 lib/idr.c:46 idr_alloc_cyclic+0x102/0x230 lib/idr.c:125 __kernfs_new_node+0x117/0x8b0 fs/kernfs/dir.c:632 kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:688 __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:985 sysfs_add_file_mode_ns+0x226/0x540 fs/sysfs/file.c:317 sysfs_merge_group+0x198/0x320 fs/sysfs/group.c:343 dpm_sysfs_add+0x23e/0x290 drivers/base/power/sysfs.c:707 device_add+0xa83/0x2100 drivers/base/core.c:3276 netdev_register_kobject+0x181/0x430 net/core/net-sysfs.c:1955 register_netdevice+0xd33/0x1500 net/core/dev.c:10262 cfg80211_register_netdevice+0x157/0x370 net/wireless/core.c:1351 ieee80211_if_add+0xff0/0x1920 net/mac80211/iface.c:1992 ieee80211_register_hw+0x3401/0x3de0 net/mac80211/main.c:1306 mac80211_hwsim_new_radio+0x20a1/0x4960 drivers/net/wireless/mac80211_hwsim.c:3333 hwsim_new_radio_nl+0x9d6/0x1140 drivers/net/wireless/mac80211_hwsim.c:3894 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x84c/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 __sys_sendto+0x21c/0x320 net/socket.c:1977 __do_sys_sendto net/socket.c:1989 [inline] __se_sys_sendto net/socket.c:1985 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1985 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x41958c Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007ffd03cfbcd0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00000000014a4320 RCX: 000000000041958c RDX: 0000000000000024 RSI: 00000000014a4370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd03cfbd24 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00000000014a4370 R14: 0000000000000003 R15: 0000000000000000 Modules linked in: CR2: 000001e0ffffea08 ---[ end trace 936d5c5c5212660a ]--- RIP: 0010:find_stack lib/stackdepot.c:209 [inline] RIP: 0010:stack_depot_save+0x12b/0x4e0 lib/stackdepot.c:281 Code: 05 7a 64 b8 0c 89 da 81 e2 ff ff 0f 00 4c 8d 3c d0 4d 8b 37 4d 85 f6 75 11 e9 94 00 00 00 4d 8b 36 4d 85 f6 0f 84 88 00 00 00 <41> 39 5e 08 75 ee 45 3b 66 0c 75 e8 31 c0 49 8b 4c c6 18 48 39 4c RSP: 0018:ffffc90001bee8f0 EFLAGS: 00010206 RAX: ffff88823b000000 RBX: 0000000035fdad9c RCX: 0000000000000001 RDX: 00000000000dad9c RSI: 0000000000002a20 RDI: 000000004c47e0cb RBP: ffffc90001bee960 R08: 00000000acdca2cc R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000020 R13: 0000000000000020 R14: 000001e0ffffea00 R15: ffff88823b6d6ce0 FS: 0000000002209400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000001e0ffffea08 CR3: 000000004d359000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400