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kernel BUG at net/socket.c:733!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 UID: 0 PID: 5923 Comm: syz.1.652 Not tainted 6.11.0-rc6-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at sock_sendmsg_nosec net/socket.c:733 [inline]
PC is at sock_sendmsg_nosec net/socket.c:728 [inline]
PC is at __sock_sendmsg+0x74/0x78 net/socket.c:745
LR is at __local_bh_enable_ip+0x50/0xd0 kernel/softirq.c:385
pc : [<8145014c>]    lr : [<8024bb58>]    psr: 60000013
sp : eae81d98  ip : eae81ac0  fp : eae81db4
r10: 00000000  r9 : eae81dd4  r8 : eae81dd4
r7 : 00000000  r6 : 83226c80  r5 : eae81f38  r4 : fffffdef
r3 : fffffdef  r2 : 851e9800  r1 : 00000000  r0 : fffffdef
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 855673c0  DAC: 00000000
Register r0 information: non-paged memory
Register r1 information: NULL pointer
Register r2 information: slab task_struct start 851e9800 pointer offset 0 size 3072
Register r3 information: non-paged memory
Register r4 information: non-paged memory
Register r5 information: 2-page vmalloc region starting at 0xeae80000 allocated at kernel_clone+0xac/0x3e4 kernel/fork.c:2781
Register r6 information: slab sock_inode_cache start 83226c80 pointer offset 0 size 576
Register r7 information: NULL pointer
Register r8 information: 2-page vmalloc region starting at 0xeae80000 allocated at kernel_clone+0xac/0x3e4 kernel/fork.c:2781
Register r9 information: 2-page vmalloc region starting at 0xeae80000 allocated at kernel_clone+0xac/0x3e4 kernel/fork.c:2781
Register r10 information: NULL pointer
Register r11 information: 2-page vmalloc region starting at 0xeae80000 allocated at kernel_clone+0xac/0x3e4 kernel/fork.c:2781
Register r12 information: 2-page vmalloc region starting at 0xeae80000 allocated at kernel_clone+0xac/0x3e4 kernel/fork.c:2781
Process syz.1.652 (pid: 5923, stack limit = 0xeae80000)
Stack: (0xeae81d98 to 0xeae82000)
1d80:                                                       eae81f38 83226c80
1da0: 00000000 00000000 eae81e24 eae81db8 8145108c 814500e4 eae81e30 eae81f48
1dc0: 00000000 00000000 eae81e24 00000000 81452f28 00000000 00000000 00000000
1de0: 00000000 00000000 00000000 00000000 00000000 70758c3a 00000000 00000000
1e00: eae81f38 83226c80 00000000 00000000 20001100 eae81e34 eae81f24 eae81e28
1e20: 81452ff8 81450dec 00000000 eae81e2c 00000000 20002440 0000c3ec 00000000
1e40: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1e60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1e80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1ea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1ee0: 00000000 00000000 00000000 00000000 00000000 70758c3a 8052e804 00000000
1f00: 83226c80 20001100 00000000 8020029c 851e9800 00000128 eae81fa4 eae81f28
1f20: 81453510 81452f68 00000000 00000000 00000001 fffffff7 00000000 00000000
1f40: 00000000 00000000 00010000 0000c3ec 20002440 00000000 00000001 00000000
1f60: 00000000 00000001 00000000 00000000 00000000 00000000 00000000 00000000
1f80: 8020c918 70758c3a 00000000 00000000 002762f0 00000128 00000000 eae81fa8
1fa0: 80200060 814534a4 00000000 00000000 00000003 20001100 00000000 00000000
1fc0: 00000000 00000000 002762f0 00000128 00000000 00006364 003d0f00 76be40bc
1fe0: 76be3ec0 76be3eb0 000189f0 00132dd0 60000010 00000003 00000000 00000000
Call trace: 
[<814500d8>] (__sock_sendmsg) from [<8145108c>] (____sys_sendmsg+0x2ac/0x2cc net/socket.c:2597)
 r7:00000000 r6:00000000 r5:83226c80 r4:eae81f38
[<81450de0>] (____sys_sendmsg) from [<81452ff8>] (___sys_sendmsg+0x9c/0xd0 net/socket.c:2651)
 r10:eae81e34 r9:20001100 r8:00000000 r7:00000000 r6:83226c80 r5:eae81f38
 r4:00000000
[<81452f5c>] (___sys_sendmsg) from [<81453510>] (__sys_sendmsg net/socket.c:2680 [inline])
[<81452f5c>] (___sys_sendmsg) from [<81453510>] (__do_sys_sendmsg net/socket.c:2689 [inline])
[<81452f5c>] (___sys_sendmsg) from [<81453510>] (sys_sendmsg+0x78/0xbc net/socket.c:2687)
 r10:00000128 r9:851e9800 r8:8020029c r7:00000000 r6:20001100 r5:83226c80
 r4:00000000
[<81453498>] (sys_sendmsg) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xeae81fa8 to 0xeae81ff0)
1fa0:                   00000000 00000000 00000003 20001100 00000000 00000000
1fc0: 00000000 00000000 002762f0 00000128 00000000 00006364 003d0f00 76be40bc
1fe0: 76be3ec0 76be3eb0 000189f0 00132dd0
 r7:00000128 r6:002762f0 r5:00000000 r4:00000000
Code: e1a01004 ebfffdcd e1a00004 e89da8f0 (e7f001f2) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	e1a01004 	mov	r1, r4
   4:	ebfffdcd 	bl	0xfffff740
   8:	e1a00004 	mov	r0, r4
   c:	e89da8f0 	ldm	sp, {r4, r5, r6, r7, fp, sp, pc}
* 10:	e7f001f2 	udf	#18 <-- trapping instruction