bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7848/1:b..l P8094/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=23477, q=952 ncpus=1)
task:syz.0.304 state:R running task stack:26136 pid:8094 tgid:8066 ppid:5847 task_flags:0x400040 flags:0x00080001
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256
irqentry_exit+0x36/0x90 kernel/entry/common.c:211
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:mt_external_lock include/linux/maple_tree.h:798 [inline]
RIP: 0010:mt_locked lib/maple_tree.c:727 [inline]
RIP: 0010:mt_slot lib/maple_tree.c:734 [inline]
RIP: 0010:mtree_range_walk+0x1c0/0xc00 lib/maple_tree.c:2577
Code: 08 00 0f 85 ec 07 00 00 48 8b 1b e8 5a 08 09 00 31 ff 41 89 c6 89 c6 e8 1e 77 75 f6 45 85 f6 0f 84 b6 00 00 00 e8 d0 7b 75 f6 <48> 8d 7d 40 48 b9 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 0f
RSP: 0018:ffffc9001827f678 EFLAGS: 00000246
RAX: 0000000000080000 RBX: ffff88807a066e0c RCX: ffffc9000ebc3000
RDX: 0000000000080000 RSI: ffffffff8b451710 RDI: 0000000000000005
RBP: ffff888012326100 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000001 R15: 00001fffffffffff
mas_state_walk lib/maple_tree.c:3296 [inline]
mt_find+0x4c5/0xa20 lib/maple_tree.c:6495
find_vma+0xbf/0x140 mm/mmap.c:909
lock_mm_and_find_vma+0x62/0x6e0 mm/mmap_lock.c:431
do_user_addr_fault+0x2ac/0x1370 arch/x86/mm/fault.c:1359
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x30/0x90 arch/x86/lib/copy_user_64.S:60
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 cd 23 04 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <48> 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08
RSP: 0018:ffffc9001827fa58 EFLAGS: 00050206
RAX: 0000000000000001 RBX: 00000000000e8000 RCX: 0000000000000038
RDX: fffff5200304ff5c RSI: 00000000000e8000 RDI: ffffc9001827faa8
RBP: 0000000000000038 R08: 0000000000000001 R09: fffff5200304ff5b
R10: ffffc9001827fadf R11: 0000000000000000 R12: 0000000000000000
R13: ffffc9001827faa8 R14: ffffc9001827fb90 R15: ffffc9001827faa8
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:141 [inline]
_inline_copy_from_user include/linux/uaccess.h:178 [inline]
_copy_from_user+0x98/0xd0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:212 [inline]
copy_msghdr_from_user+0x98/0x160 net/socket.c:2560
recvmsg_copy_msghdr net/socket.c:2816 [inline]
___sys_recvmsg+0xdb/0x1a0 net/socket.c:2888
do_recvmmsg+0x2fe/0x750 net/socket.c:2987
__sys_recvmmsg net/socket.c:3061 [inline]
__do_sys_recvmmsg net/socket.c:3084 [inline]
__se_sys_recvmmsg net/socket.c:3077 [inline]
__x64_sys_recvmmsg+0x22a/0x280 net/socket.c:3077
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c0278eec9
RSP: 002b:00007f9c03635038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f9c029e6270 RCX: 00007f9c0278eec9
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f9c02811f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c029e6308 R14: 00007f9c029e6270 R15: 00007ffea8201538
task:syz.3.282 state:R running task stack:23272 pid:7848 tgid:7848 ppid:5853 task_flags:0x400640 flags:0x00080001
Call Trace:
context_switch kernel/sched/core.c:5325 [inline]
__schedule+0x1190/0x5de0 kernel/sched/core.c:6929
preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256
irqentry_exit+0x36/0x90 kernel/entry/common.c:211
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:rcu_read_unlock include/linux/rcupdate.h:895 [inline]
RIP: 0010:__page_table_check_zero+0x4e2/0x5d0 mm/page_table_check.c:145
Code: ff 48 c7 c2 c0 ff 7e 8b be 64 03 00 00 48 c7 c7 e0 fe 7e 8b c6 05 c7 6f 1a 0e 01 e8 78 ba 68 ff e9 79 fc ff ff e8 0e c3 8c ff f9 f7 71 ff 31 ff 89 c3 89 c6 e8 de bd 8c ff 84 db 0f 85 2f fe
RSP: 0018:ffffc90002f666d0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff822dce11
RDX: ffff88802b945ac0 RSI: ffffffff822dcfd2 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88801da38e30
R13: ffff88801da38e2c R14: 0000000000000000 R15: dffffc0000000000
page_table_check_alloc include/linux/page_table_check.h:35 [inline]
post_alloc_hook+0x1af/0x230 mm/page_alloc.c:1851
prep_new_page mm/page_alloc.c:1858 [inline]
get_page_from_freelist+0x10a3/0x3a30 mm/page_alloc.c:3884
__alloc_frozen_pages_noprof+0x25f/0x2470 mm/page_alloc.c:5183
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
folio_alloc_mpol_noprof+0x36/0x2f0 mm/mempolicy.c:2435
shmem_alloc_folio+0x135/0x160 mm/shmem.c:1871
shmem_alloc_and_add_folio+0x499/0xc20 mm/shmem.c:1910
shmem_get_folio_gfp+0x67f/0x1610 mm/shmem.c:2533
shmem_get_folio mm/shmem.c:2639 [inline]
shmem_write_begin+0x160/0x300 mm/shmem.c:3289
generic_perform_write+0x3c1/0x900 mm/filemap.c:4242
shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3464
__kernel_write_iter+0x317/0xb10 fs/read_write.c:619
dump_emit_page fs/coredump.c:1298 [inline]
dump_user_range+0x413/0xb70 fs/coredump.c:1372
elf_core_dump+0x29c3/0x3c00 fs/binfmt_elf.c:2111
coredump_write fs/coredump.c:1049 [inline]
vfs_coredump+0x2b9c/0x5670 fs/coredump.c:1170
get_signal+0x22e1/0x26d0 kernel/signal.c:3019
arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:40 [inline]
exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
irqentry_exit_to_user_mode+0x141/0x2b0 kernel/entry/common.c:73
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f1c91b8eed1
RSP: 002b:fffffffffffffff7 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f1c91de6090 RCX: 00007f1c91b8eec9
RDX: 0000200000000000 RSI: fffffffffffffff7 RDI: 0000000000000008
RBP: 00007f1c91c11f91 R08: 0000000000008001 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1c91de6128 R14: 00007f1c91de6090 R15: 00007ffc3a9789a8
net_ratelimit: 7774 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 9648 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:9e:c1:ac:87:37:a0, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)