program: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) read$FUSE(r0, &(0x7f000000cd40)={0x2020}, 0x2020) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) r3 = dup(r2) write$UHID_INPUT(r3, &(0x7f0000000000)={0xf, 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0x1000}}, 0x1006) r4 = socket$inet6_dccp(0xa, 0x6, 0x0) ioctl$sock_SIOCETHTOOL(r4, 0x8946, &(0x7f0000000000)={'netdevsim0\x00', &(0x7f0000000140)=@ethtool_flash={0x33, 0x0, './file0\x00'}}) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) (async) read$FUSE(r0, &(0x7f000000cd40)={0x2020}, 0x2020) (async) syz_open_dev$tty1(0xc, 0x4, 0x1) (async) ioctl$TIOCL_BLANKSCREEN(r1, 0x541c, &(0x7f0000000000)) (async) syz_open_dev$tty1(0xc, 0x4, 0x1) (async) dup(r2) (async) write$UHID_INPUT(r3, &(0x7f0000000000)={0xf, {"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", 0x1000}}, 0x1006) (async) socket$inet6_dccp(0xa, 0x6, 0x0) (async) ioctl$sock_SIOCETHTOOL(r4, 0x8946, &(0x7f0000000000)={'netdevsim0\x00', &(0x7f0000000140)=@ethtool_flash={0x33, 0x0, './file0\x00'}}) (async) [ 70.623930][ T4533] Bluetooth: hci0: command tx timeout [ 70.744683][ T5107] netdevsim netdevsim0: Direct firmware load for ./file0 failed with error -2 [ 70.749153][ T5107] netdevsim netdevsim0: Falling back to sysfs fallback for: ./file0 [ 71.142658][ T29] page: refcount:2 mapcount:0 mapping:0000000000000000 index:0x55a51d60c pfn:0x11a19 [ 71.150808][ T12] list_add corruption. next->prev should be prev (ffffe8ffffc31ed0), but was ffff8880354f5000. (next=ffff88801aa39400). [ 71.156348][ T12] ------------[ cut here ]------------ [ 71.158828][ T12] kernel BUG at lib/list_debug.c:31! [ 71.161570][ T12] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 71.164884][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.12.0-rc1-syzkaller #0 [ 71.168589][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 71.172786][ T12] Workqueue: zswap1 compact_page_work [ 71.175470][ T12] RIP: 0010:__list_add_valid_or_report+0xd6/0xf0 [ 71.179018][ T12] Code: e8 6f 08 00 07 90 0f 0b 48 c7 c7 00 f9 60 8c e8 60 08 00 07 90 0f 0b 48 c7 c7 60 f9 60 8c 4c 89 e6 4c 89 f1 e8 4b 08 00 07 90 <0f> 0b 48 c7 c7 e0 f9 60 8c 4c 89 f6 4c 89 e1 e8 36 08 00 07 90 0f [ 71.186417][ T12] RSP: 0018:ffffc900003e7ad0 EFLAGS: 00010246 [ 71.188966][ T12] RAX: 0000000000000075 RBX: ffff88801aa39408 RCX: 8c29ddb83b774f00 [ 71.192253][ T12] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 71.195844][ T12] RBP: ffffe8ffffc31ed0 R08: ffffffff81749dec R09: 1ffff9200007cef4 [ 71.198910][ T12] R10: dffffc0000000000 R11: fffff5200007cef5 R12: ffffe8ffffc31ed0 [ 71.201892][ T12] R13: dffffc0000000000 R14: ffff88801aa39400 R15: ffff888011a19000 [ 71.205197][ T12] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 71.209482][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.212485][ T12] CR2: 00007f01a69980e8 CR3: 000000003f8a4000 CR4: 0000000000352ef0 [ 71.215585][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.218883][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.221868][ T12] Call Trace: [ 71.223312][ T12] [ 71.224599][ T12] ? __die_body+0x5f/0xb0 [ 71.226673][ T12] ? die+0x9e/0xc0 [ 71.228701][ T12] ? do_trap+0x15a/0x3a0 [ 71.231101][ T12] ? __list_add_valid_or_report+0xd6/0xf0 [ 71.233319][ T12] ? do_error_trap+0x1dc/0x2c0 [ 71.235432][ T12] ? __list_add_valid_or_report+0xd6/0xf0 [ 71.237721][ T12] ? __pfx_do_error_trap+0x10/0x10 [ 71.239750][ T12] ? handle_invalid_op+0x34/0x40 [ 71.241932][ T12] ? __list_add_valid_or_report+0xd6/0xf0 [ 71.244966][ T12] ? exc_invalid_op+0x38/0x50 [ 71.247839][ T12] ? asm_exc_invalid_op+0x1a/0x20 [ 71.249986][ T12] ? __wake_up_klogd+0xcc/0x110 [ 71.251892][ T12] ? __list_add_valid_or_report+0xd6/0xf0 [ 71.253846][ T12] add_to_unbuddied+0x2e4/0x4d0 [ 71.255668][ T12] do_compact_page+0x924/0xc50 [ 71.257818][ T12] ? process_scheduled_works+0x976/0x1850 [ 71.260451][ T12] process_scheduled_works+0xa63/0x1850 [ 71.263129][ T12] ? __pfx_process_scheduled_works+0x10/0x10 [ 71.266015][ T12] ? assign_work+0x364/0x3d0 [ 71.267945][ T12] worker_thread+0x870/0xd30 [ 71.269705][ T12] ? __kthread_parkme+0x169/0x1d0 [ 71.271745][ T12] ? __pfx_worker_thread+0x10/0x10 [ 71.273604][ T12] kthread+0x2f0/0x390 [ 71.274962][ T12] ? __pfx_worker_thread+0x10/0x10 [ 71.276689][ T12] ? __pfx_kthread+0x10/0x10 [ 71.278252][ T12] ret_from_fork+0x4b/0x80 [ 71.279997][ T12] ? __pfx_kthread+0x10/0x10 [ 71.282215][ T12] ret_from_fork_asm+0x1a/0x30 [ 71.284580][ T12] [ 71.285978][ T12] Modules linked in: [ 71.288504][ T12] ---[ end trace 0000000000000000 ]--- [ 71.290793][ T12] RIP: 0010:__list_add_valid_or_report+0xd6/0xf0 [ 71.293348][ T12] Code: e8 6f 08 00 07 90 0f 0b 48 c7 c7 00 f9 60 8c e8 60 08 00 07 90 0f 0b 48 c7 c7 60 f9 60 8c 4c 89 e6 4c 89 f1 e8 4b 08 00 07 90 <0f> 0b 48 c7 c7 e0 f9 60 8c 4c 89 f6 4c 89 e1 e8 36 08 00 07 90 0f [ 71.301114][ T12] RSP: 0018:ffffc900003e7ad0 EFLAGS: 00010246 [ 71.304156][ T12] RAX: 0000000000000075 RBX: ffff88801aa39408 RCX: 8c29ddb83b774f00 [ 71.308277][ T12] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 71.311643][ T12] RBP: ffffe8ffffc31ed0 R08: ffffffff81749dec R09: 1ffff9200007cef4 [ 71.314631][ T12] R10: dffffc0000000000 R11: fffff5200007cef5 R12: ffffe8ffffc31ed0 [ 71.318284][ T12] R13: dffffc0000000000 R14: ffff88801aa39400 R15: ffff888011a19000 [ 71.322191][ T12] FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 [ 71.325616][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.328452][ T12] CR2: 00007f01a69980e8 CR3: 000000003f8a4000 CR4: 0000000000352ef0 [ 71.331996][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 71.335200][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 71.338621][ T12] Kernel panic - not syncing: Fatal exception [ 71.341603][ T12] Kernel Offset: disabled [ 71.343501][ T12] Rebooting in 86400 seconds..