------------[ cut here ]------------
kernel BUG at include/linux/scatterlist.h:171!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5104 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-08068-g1ec6d097897a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:sg_page include/linux/scatterlist.h:171 [inline]
RIP: 0010:sg_phys include/linux/scatterlist.h:389 [inline]
RIP: 0010:perf_trace_dma_unmap_sg+0x784/0x790 include/trace/events/dma.h:224
Code: 00 48 8b 54 24 08 e9 6b fe ff ff e8 06 7d 17 00 48 c7 c7 60 79 94 8e 4c 89 f6 e8 27 33 74 03 e9 5b fa ff ff e8 ed 7c 17 00 90 <0f> 0b e8 f5 ea 43 0a 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000007aa0 EFLAGS: 00010006
RAX: ffffffff817d37f3 RBX: ffff888000248f88 RCX: ffff88801f0e8000
RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007bd0 R08: ffffffff817d34eb R09: 322e66313a30303a
R10: dffffc0000000000 R11: fffff91ffff88a3a R12: 0000000000000008
R13: ffff8880126b5dc1 R14: ffff888000248fa8 R15: dffffc0000000000
FS: 00007f8d5c4c36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f8d0c2723 CR3: 0000000035f9e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_dma_unmap_sg+0x1c2/0x230 include/trace/events/dma.h:224
dma_unmap_sg_attrs+0x49/0xe0 kernel/dma/mapping.c:308
ata_sg_clean drivers/ata/libata-core.c:4627 [inline]
__ata_qc_complete+0x1ae/0x5b0 drivers/ata/libata-core.c:4720
ata_qc_complete_multiple+0x1a3/0x280 drivers/ata/libata-sata.c:789
ahci_qc_complete drivers/ata/libahci.c:1881 [inline]
ahci_handle_port_interrupt+0x422/0x650 drivers/ata/libahci.c:1948
ahci_port_intr drivers/ata/libahci.c:1959 [inline]
ahci_handle_port_intr+0x18e/0x2c0 drivers/ata/libahci.c:1990
ahci_single_level_irq_intr+0xa1/0xf0 drivers/ata/libahci.c:2024
__handle_irq_event_percpu+0x29a/0xa80 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210
handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:173 [inline]
handle_irq arch/x86/kernel/irq.c:247 [inline]
call_irq_handler arch/x86/kernel/irq.c:259 [inline]
__common_interrupt+0x136/0x230 arch/x86/kernel/irq.c:285
common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:278
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:preempt_count_add+0x6/0x190 kernel/sched/core.c:5719
Code: 48 8b 3c 24 e8 bb 71 9a 00 eb 8c e9 ee fe ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 53 89 fb 48 c7 c0 40 e9 3a 9a 48 c1 e8 03 49 bf 00 00 00 00
RSP: 0018:ffffc90002f2eb80 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff920005e5d98 RCX: ffffc90002f2ec60
RDX: dffffc0000000000 RSI: ffffc90002f30000 RDI: 0000000000000001
RBP: ffffc90002f2ecf8 R08: ffffc90002f2ed01 R09: 0000000000000000
R10: ffffc90002f2ecc0 R11: fffff520005e5da4 R12: dffffc0000000000
R13: ffffc90002f2ecc0 R14: ffffffff81414f18 R15: ffffc90002f2ecc8
unwind_next_frame+0xb0/0x22d0 arch/x86/kernel/unwind_orc.c:479
__unwind_start+0x59a/0x740 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe5/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:2343 [inline]
slab_free mm/slub.c:4580 [inline]
kmem_cache_free+0x1a2/0x420 mm/slub.c:4682
convert_extent_bit+0xcda/0x1610 fs/btrfs/extent-io-tree.c:1501
btrfs_write_marked_extents+0x1f4/0x450 fs/btrfs/transaction.c:1130
btrfs_write_and_wait_transaction fs/btrfs/transaction.c:1259 [inline]
btrfs_commit_transaction+0x1de1/0x3740 fs/btrfs/transaction.c:2521
btrfs_delete_free_space_tree+0x383/0x730 fs/btrfs/free-space-tree.c:1312
btrfs_start_pre_rw_mount+0xf28/0x1300 fs/btrfs/disk-io.c:3011
open_ctree+0x2514/0x2a50 fs/btrfs/disk-io.c:3546
btrfs_fill_super fs/btrfs/super.c:965 [inline]
btrfs_get_tree_super fs/btrfs/super.c:1888 [inline]
btrfs_get_tree+0xe7a/0x1920 fs/btrfs/super.c:2114
vfs_get_tree+0x90/0x2b0 fs/super.c:1800
fc_mount+0x1b/0xb0 fs/namespace.c:1231
btrfs_get_tree_subvol fs/btrfs/super.c:2077 [inline]
btrfs_get_tree+0x652/0x1920 fs/btrfs/super.c:2115
vfs_get_tree+0x90/0x2b0 fs/super.c:1800
do_new_mount+0x2be/0xb40 fs/namespace.c:3507
do_mount fs/namespace.c:3847 [inline]
__do_sys_mount fs/namespace.c:4055 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8d5b77f69a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8d5c4c2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8d5c4c2ef0 RCX: 00007f8d5b77f69a
RDX: 0000000020000100 RSI: 0000000020005140 RDI: 00007f8d5c4c2eb0
RBP: 0000000020000100 R08: 00007f8d5c4c2ef0 R09: 0000000000000816
R10: 0000000000000816 R11: 0000000000000246 R12: 0000000020005140
R13: 00007f8d5c4c2eb0 R14: 00000000000050ed R15: 0000000020000280
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:sg_page include/linux/scatterlist.h:171 [inline]
RIP: 0010:sg_phys include/linux/scatterlist.h:389 [inline]
RIP: 0010:perf_trace_dma_unmap_sg+0x784/0x790 include/trace/events/dma.h:224
Code: 00 48 8b 54 24 08 e9 6b fe ff ff e8 06 7d 17 00 48 c7 c7 60 79 94 8e 4c 89 f6 e8 27 33 74 03 e9 5b fa ff ff e8 ed 7c 17 00 90 <0f> 0b e8 f5 ea 43 0a 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000007aa0 EFLAGS: 00010006
RAX: ffffffff817d37f3 RBX: ffff888000248f88 RCX: ffff88801f0e8000
RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000007bd0 R08: ffffffff817d34eb R09: 322e66313a30303a
R10: dffffc0000000000 R11: fffff91ffff88a3a R12: 0000000000000008
R13: ffff8880126b5dc1 R14: ffff888000248fa8 R15: dffffc0000000000
FS: 00007f8d5c4c36c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7f8d0c2723 CR3: 0000000035f9e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 48 8b 3c 24 mov (%rsp),%rdi
4: e8 bb 71 9a 00 call 0x9a71c4
9: eb 8c jmp 0xffffff97
b: e9 ee fe ff ff jmp 0xfffffefe
10: 0f 1f 40 00 nopl 0x0(%rax)
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: f3 0f 1e fa endbr64
28: 41 57 push %r15
* 2a: 41 56 push %r14 <-- trapping instruction
2c: 53 push %rbx
2d: 89 fb mov %edi,%ebx
2f: 48 c7 c0 40 e9 3a 9a mov $0xffffffff9a3ae940,%rax
36: 48 c1 e8 03 shr $0x3,%rax
3a: 49 rex.WB
3b: bf 00 00 00 00 mov $0x0,%edi