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kernel BUG at include/linux/scatterlist.h:187!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1 PID: 6909 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at sg_set_buf include/linux/scatterlist.h:187 [inline]
PC is at sg_init_one+0x9c/0xa8 lib/scatterlist.c:143
LR is at sg_init_table+0x2c/0x40 lib/scatterlist.c:128
pc : [<807e8518>]    lr : [<807e690c>]    psr: 80000113
sp : eb091c38  ip : eb091c70  fp : eb091c54
r10: 00000000  r9 : ffedc004  r8 : ff7fbf1c
r7 : 0000008c  r6 : eb091c58  r5 : 847658e8  r4 : ffedc004
r3 : df000000  r2 : ffffffd8  r1 : 00000000  r0 : eb091c58
Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 8c506800  DAC: 00000000
Register r0 information: 2-page vmalloc region starting at 0xeb090000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Register r1 information: NULL pointer
Register r2 information: non-paged memory
Register r3 information: non-paged memory
Register r4 information: non-paged memory
Register r5 information: slab vmap_area start 847658e8 pointer offset 0 size 40
Register r6 information: 2-page vmalloc region starting at 0xeb090000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Register r7 information: non-paged memory
Register r8 information: 0-page vmalloc region starting at 0xff7d8000 allocated at pcpu_get_vm_areas+0x0/0x12c8 mm/vmalloc.c:3064
Register r9 information: non-paged memory
Register r10 information: NULL pointer
Register r11 information: 2-page vmalloc region starting at 0xeb090000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Register r12 information: 2-page vmalloc region starting at 0xeb090000 allocated at kernel_clone+0xac/0x3cc kernel/fork.c:2796
Process syz-executor.1 (pid: 6909, stack limit = 0xeb090000)
Stack: (0xeb091c38 to 0xeb092000)
1c20:                                                       ff7fbefc 847658e8
1c40: dec434e8 82c92d80 eb091cb4 eb091c58 804c3dd4 807e8488 00000002 00000000
1c60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1c80: 00000000 00000000 000006c8 2573ac1e 847658e8 000006c8 dec434e8 8441e084
1ca0: 8441e080 8441e080 eb091cdc eb091cb8 804c6a18 804c3d24 dec434e8 00000001
1cc0: eb091d4c 00000000 836e6c00 84416d00 eb091d2c eb091ce0 804bbbf4 804c68c8
1ce0: 804bd118 802e2798 804d9d08 00000000 00100cca 00000000 00000000 2573ac1e
1d00: 00000000 000006c8 00100cca 00000000 00000000 eb091d4b 000006cf 00000000
1d20: eb091da4 eb091d30 804bd614 804bbb58 eb091d4b 00000000 01a2cfff dec434e8
1d40: 000006c8 000006c8 01091d50 00000000 00000000 00000000 00000000 00000000
1d60: 00000001 00000000 eb091d68 eb091d68 81875270 2573ac1e 00000406 00000001
1d80: 00000000 000006c8 843c9d80 00100cca 00000000 eb091eb8 eb091e1c eb091da8
1da0: 804bd968 804bd45c 00000000 2573ac1e eb091e20 eb091eb8 00000000 00000000
1dc0: eb091df4 eb091dd0 8042e9b0 8042e804 eb091eb8 8260cac8 843c9d80 00140000
1de0: 84416d00 00000000 eb091e1c 2573ac1e 804bcde8 eb091eb8 00000000 000006c8
1e00: 843c9d80 84416d00 00000000 00000040 eb091e7c eb091e20 8047f368 804bd90c
1e20: 8049445c 80479d1c eb091eec 836e6c00 00000000 00000000 836e6c00 8c6bd800
1e40: eb091e7c eb091e50 84416d00 804943e4 8c4f8003 00001254 836e6c00 001403b8
1e60: 843c9d80 836e6c00 8c6bd800 00000040 eb091f2c eb091e80 80480c4c 8047f174
1e80: 80426ddc 81848bcc 00000113 ffffffff 8089c028 eb091ee0 eb091ecc eb091ea8
1ea0: 8027caf4 802ac7ac 00000008 81c66394 eb091eb8 eb091fb0 843c9d80 00000cc0
1ec0: 00000140 00140000 001403b8 00001a54 859b1000 8c506800 0006c800 00000000
1ee0: 00000000 00000000 00000000 ddfb42f4 00000000 00000000 00c78fff 2573ac1e
1f00: 00000000 eb091fb0 001403b8 00000254 00000207 836e6c00 8c6bd800 00000007
1f20: eb091f74 eb091f30 80215e14 80480880 836e6c00 7ea29670 eb091fac eb091f48
1f40: 8020bc18 843c9d80 80307668 8261d0e0 00000207 001403b8 eb091fb0 80215c4c
1f60: 00000000 7ea29670 eb091fac eb091f78 802161dc 80215c58 00000000 2573ac1e
1f80: 00000000 2573ac1e 0007ace0 00021804 60000010 ffffffff 836e6c00 824a9044
1fa0: 00000000 eb091fb0 80200e3c 802161b0 00000000 00000000 00000000 00000000
1fc0: 000000ee 7ea2961c 00000000 000001f4 00140000 00000000 7ea29670 00001c37
1fe0: 00000000 7ea295a8 00000001 00021804 60000010 ffffffff 00000000 00000000
Call trace: 
[<807e847c>] (sg_init_one) from [<804c3dd4>] (zswap_decompress+0xbc/0x208 mm/zswap.c:1089)
 r7:82c92d80 r6:dec434e8 r5:847658e8 r4:ff7fbefc
[<804c3d18>] (zswap_decompress) from [<804c6a18>] (zswap_load+0x15c/0x198 mm/zswap.c:1637)
 r9:8441e080 r8:8441e080 r7:8441e084 r6:dec434e8 r5:000006c8 r4:847658e8
[<804c68bc>] (zswap_load) from [<804bbbf4>] (swap_read_folio+0xa8/0x498 mm/page_io.c:518)
 r9:84416d00 r8:836e6c00 r7:00000000 r6:eb091d4c r5:00000001 r4:dec434e8
[<804bbb4c>] (swap_read_folio) from [<804bd614>] (swap_cluster_readahead+0x1c4/0x34c mm/swap_state.c:684)
 r10:00000000 r9:000006cf r8:eb091d4b r7:00000000 r6:00000000 r5:00100cca
 r4:000006c8
[<804bd450>] (swap_cluster_readahead) from [<804bd968>] (swapin_readahead+0x68/0x4a8 mm/swap_state.c:904)
 r10:eb091eb8 r9:00000000 r8:00100cca r7:843c9d80 r6:000006c8 r5:00000000
 r4:00000001
[<804bd900>] (swapin_readahead) from [<8047f368>] (do_swap_page+0x200/0xcc4 mm/memory.c:4046)
 r10:00000040 r9:00000000 r8:84416d00 r7:843c9d80 r6:000006c8 r5:00000000
 r4:eb091eb8
[<8047f168>] (do_swap_page) from [<80480c4c>] (handle_pte_fault mm/memory.c:5301 [inline])
[<8047f168>] (do_swap_page) from [<80480c4c>] (__handle_mm_fault mm/memory.c:5439 [inline])
[<8047f168>] (do_swap_page) from [<80480c4c>] (handle_mm_fault+0x3d8/0x12b8 mm/memory.c:5604)
 r10:00000040 r9:8c6bd800 r8:836e6c00 r7:843c9d80 r6:001403b8 r5:836e6c00
 r4:00001254
[<80480874>] (handle_mm_fault) from [<80215e14>] (do_page_fault+0x1c8/0x3a8 arch/arm/mm/fault.c:299)
 r10:00000007 r9:8c6bd800 r8:836e6c00 r7:00000207 r6:00000254 r5:001403b8
 r4:eb091fb0
[<80215c4c>] (do_page_fault) from [<802161dc>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:565)
 r10:7ea29670 r9:00000000 r8:80215c4c r7:eb091fb0 r6:001403b8 r5:00000207
 r4:8261d0e0
[<802161a4>] (do_DataAbort) from [<80200e3c>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427)
Exception stack(0xeb091fb0 to 0xeb091ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 000000ee 7ea2961c 00000000 000001f4 00140000 00000000 7ea29670 00001c37
1fe0: 00000000 7ea295a8 00000001 00021804 60000010 ffffffff
 r8:824a9044 r7:836e6c00 r6:ffffffff r5:60000010 r4:00021804
Code: 1a000004 e1822003 e8860094 e89da8f0 (e7f001f2) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	1a000004 	bne	0x18
   4:	e1822003 	orr	r2, r2, r3
   8:	e8860094 	stm	r6, {r2, r4, r7}
   c:	e89da8f0 	ldm	sp, {r4, r5, r6, r7, fp, sp, pc}
* 10:	e7f001f2 	udf	#18 <-- trapping instruction