Hello, syzbot found the following issue on: HEAD commit: 9500fc6e9e60 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=173f6c21880000 kernel config: https://syzkaller.appspot.com/x/.config?x=b25c9f218686dd5e dashboard link: https://syzkaller.appspot.com/bug?extid=fa4fe30392e9e8fd16a3 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1139042d880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111806b5880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/1363e60652f7/disk-9500fc6e.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fcc4da811bb6/vmlinux-9500fc6e.xz kernel image: https://storage.googleapis.com/syzbot-assets/0b554298f1fa/Image-9500fc6e.gz.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+fa4fe30392e9e8fd16a3@xxxxxxxxxxxxxxxxxxxxxxxxx Unable to handle kernel paging request at virtual address ffff000308e88118 Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c5508000 [ffff000308e88118] pgd=180000023fff8003, p4d=180000023fff8003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 3086 Comm: kworker/0:6 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: mld mld_ifc_work pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : rht_ptr_rcu include/linux/rhashtable.h:369 [inline] pc : __rhashtable_lookup include/linux/rhashtable.h:599 [inline] pc : rhltable_lookup+0xd4/0x398 include/linux/rhashtable.h:688 lr : rht_bucket include/linux/rhashtable.h:290 [inline] lr : __rhashtable_lookup include/linux/rhashtable.h:597 [inline] lr : rhltable_lookup+0xc8/0x398 include/linux/rhashtable.h:688 sp : ffff800008003d60 x29: ffff800008003d80 x28: ffff80000d98f000 x27: 0000000000000000 x26: 0000000000000002 x25: 0000000000000000 x24: ffff000308e88118 x23: ffff80000d98f000 x22: ffff000308e88119 x21: ffff0000cb7aa400 x20: ffff0000ce7c17b0 x19: ffff0000cae1f834 x18: 00000000000000c0 x17: ffff80000ddda198 x16: 0000000000000101 x15: 0000000000000100 x14: 0000000000000000 x13: 000000000000000c x12: ffff80000d690450 x11: ff8080000bd03d04 x10: 0000000000000000 x9 : ffff80000bd03d04 x8 : ffff000308e88098 x7 : ffff80000bcfd720 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: rhltable_lookup+0xd4/0x398 include/linux/rhashtable.h:688 sta_info_hash_lookup net/mac80211/sta_info.c:195 [inline] sta_info_get_by_addrs+0x64/0xf8 net/mac80211/sta_info.c:320 ieee80211_tx_status+0xd8/0x1ac net/mac80211/status.c:1096 ieee80211_tasklet_handler+0x5c/0x110 net/mac80211/main.c:319 tasklet_action_common+0x1d4/0x248 tasklet_action+0x30/0x3c kernel/softirq.c:818 _stext+0x168/0x37c ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:892 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:84 do_softirq+0xac/0x108 kernel/softirq.c:472 __local_bh_enable_ip+0x18c/0x1a4 kernel/softirq.c:396 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip6_finish_output2+0xa1c/0xbec net/ipv6/ip6_output.c:135 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline] ip6_finish_output+0x448/0x4c4 net/ipv6/ip6_output.c:206 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip6_output+0x180/0x2dc net/ipv6/ip6_output.c:227 dst_output include/net/dst.h:445 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] mld_sendpack+0x514/0x924 net/ipv6/mcast.c:1820 mld_send_cr+0x4e8/0x5a8 net/ipv6/mcast.c:2121 mld_ifc_work+0x38/0x290 net/ipv6/mcast.c:2653 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 Code: 97168d0a 8b384ea8 91020118 b2400316 (f940031a) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97168d0a bl 0xfffffffffc5a3428 4: 8b384ea8 add x8, x21, w24, uxtw #3 8: 91020118 add x24, x8, #0x80 c: b2400316 orr x22, x24, #0x1 * 10: f940031a ldr x26, [x24] <-- trapping instruction --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
