live-kbench/live-kbench huggingface dataset:
Kernel bug: KASAN: vmalloc-out-of-bounds Read in hci_devcd_dump
Subsystem: bluetooth
Status: fixed

Crash report:
Bluetooth: hci0: command tx timeout
Bluetooth: hci0: command tx timeout
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in skb_put_data include/linux/skbuff.h:2753 [inline]
BUG: KASAN: vmalloc-out-of-bounds in hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258
Read of size 140 at addr ffffc90004959000 by task kworker/u9:1/5166

CPU: 1 UID: 0 PID: 5166 Comm: kworker/u9:1 Not tainted 6.16.0-rc6-syzkaller-00281-gf4a40a4282f4 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: hci0 hci_devcd_timeout
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xcd/0x610 mm/kasan/report.c:480
 kasan_report+0xe0/0x110 mm/kasan/report.c:593
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x100/0x1b0 mm/kasan/generic.c:189
 __asan_memcpy+0x23/0x60 mm/kasan/shadow.c:105
 skb_put_data include/linux/skbuff.h:2753 [inline]
 hci_devcd_dump+0x142/0x240 net/bluetooth/coredump.c:258
 hci_devcd_timeout+0xb5/0x2e0 net/bluetooth/coredump.c:413
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

The buggy address ffffc90004959000 belongs to a vmalloc virtual mapping
Memory state around the buggy address:
 ffffc90004958f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90004958f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc90004959000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                   ^
 ffffc90004959080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc90004959100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Kernel bug: WARNING in bitmap_parse_user
Subsystem: trace
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5820 at mm/page_alloc.c:4727 __alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727
Modules linked in:
CPU: 0 UID: 0 PID: 5820 Comm: syz-executor318 Not tainted 6.13.0-rc2-syzkaller-00031-gf92f4749861b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727
Code: 24 2c 00 00 00 00 89 cd 0f 84 8b f9 ff ff 8b 34 24 48 89 da 8b 7c 24 08 e8 0e b3 fe ff e9 69 f9 ff ff c6 05 21 45 16 0e 01 90 <0f> 0b 90 31 db e9 9f f3 ff ff 89 14 24 e8 9f a2 0c 00 8b 14 24 e9
RSP: 0018:ffffc90003eef958 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000000040cc0
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: 000000000000000b
R13: 0000000000040cc0 R14: 1ffff920007ddf3f R15: 00000000ffffffff
FS:  000055558bef6380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000580 CR3: 000000007d0f0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline]
 alloc_pages_node_noprof include/linux/gfp.h:296 [inline]
 ___kmalloc_large_node+0x84/0x1b0 mm/slub.c:4228
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4255
 __do_kmalloc_node mm/slub.c:4271 [inline]
 __kmalloc_node_track_caller_noprof.cold+0x5/0x5f mm/slub.c:4302
 memdup_user_nul+0x2b/0x110 mm/util.c:305
 bitmap_parse_user+0x24/0x90 lib/bitmap-str.c:31
 cpumask_parse_user include/linux/cpumask.h:876 [inline]
 tracing_cpumask_write+0xfc/0x1a0 kernel/trace/trace.c:5231
 vfs_write+0x24c/0x1150 fs/read_write.c:677
 ksys_write+0x12b/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc57b8672a9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffd0ca10e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fffd0ca12c8 RCX: 00007fc57b8672a9
RDX: 000000000040fdef RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fc57b8da610 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffd0ca12b8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Kernel bug: KMSAN: kernel-infoleak in vmci_host_unlocked_ioctl (3)
Subsystem: kernel
Status: fixed

Crash report:
=====================================================
BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak in _inline_copy_to_user include/linux/uaccess.h:196 [inline]
BUG: KMSAN: kernel-infoleak in _copy_to_user+0xcc/0x120 lib/usercopy.c:26
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 _inline_copy_to_user include/linux/uaccess.h:196 [inline]
 _copy_to_user+0xcc/0x120 lib/usercopy.c:26
 copy_to_user include/linux/uaccess.h:225 [inline]
 vmci_host_do_receive_datagram drivers/misc/vmw_vmci/vmci_host.c:438 [inline]
 vmci_host_unlocked_ioctl+0x1e7e/0x5200 drivers/misc/vmw_vmci/vmci_host.c:932
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0x23c/0x400 fs/ioctl.c:893
 __x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:893
 x64_sys_call+0x1ebe/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable __x.i.i created at:
 set_xfeature_in_sigframe arch/x86/kernel/fpu/xstate.h:81 [inline]
 save_xstate_epilog arch/x86/kernel/fpu/signal.c:140 [inline]
 copy_fpstate_to_sigframe+0x11f2/0x13d0 arch/x86/kernel/fpu/signal.c:232
 get_sigframe+0xc6a/0x1020 arch/x86/kernel/signal.c:163

Bytes 28-31 of 40 are uninitialized
Memory access of size 40 starts at ffff888131f74080
Data copied to user address 000000000000a4bf

CPU: 1 UID: 0 PID: 5798 Comm: syz-executor419 Not tainted 6.16.0-rc1-syzkaller-00239-g08215f5486ec #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
=====================================================
Kernel bug: WARNING in to_nfit_bus_uuid
Subsystem: acpi, nvdimm
Status: fixed

Crash report:
------------[ cut here ]------------
only secondary bus families can be translated
WARNING: CPU: 0 PID: 15821 at drivers/acpi/nfit/core.c:80 to_nfit_bus_uuid+0x6f/0x90 drivers/acpi/nfit/core.c:79
Modules linked in:
CPU: 0 UID: 0 PID: 15821 Comm: syz-executor579 Not tainted 6.11.0-rc7-syzkaller-00020-g8d8d276ba2fb #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:to_nfit_bus_uuid+0x6f/0x90 drivers/acpi/nfit/core.c:79
Code: 01 75 0d e8 23 74 76 fc 31 c0 5b c3 cc cc cc cc e8 16 74 76 fc c6 05 4d 34 e5 0a 01 90 48 c7 c7 40 92 6a 8c e8 32 98 38 fc 90 <0f> 0b 90 90 eb d8 e8 f6 73 76 fc 48 c7 c7 40 9d 0e 8f 48 89 de e8
RSP: 0018:ffffc9000b6cfa90 EFLAGS: 00010246
RAX: 48f74db0fdd0b300 RBX: 0000000000000000 RCX: ffff88801e0e8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000b6cfc90 R08: ffffffff8155b372 R09: 1ffff11003fc519a
R10: dffffc0000000000 R11: ffffed1003fc519b R12: ffff88801df22000
R13: 000000000000000a R14: ffffc9000b6cfc20 R15: 1ffff920016d9f6c
FS:  00007fb39f5416c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb39f546d30 CR3: 00000000377e2000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 acpi_nfit_ctl+0x8a9/0x24a0 drivers/acpi/nfit/core.c:489
 __nd_ioctl drivers/nvdimm/bus.c:1186 [inline]
 nd_ioctl+0x184d/0x1fe0 drivers/nvdimm/bus.c:1264
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 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: 0033:0x7fb39f590b29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb39f541228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb39f590b29
RDX: 0000000020000180 RSI: 00000000c008640a RDI: 0000000000000003
RBP: 00007fb39f6143c8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb39f6143c0
R13: 63646e2f7665642f R14: 00007ffd8b32c140 R15: 00007ffd8b32c228
 </TASK>
Kernel bug: WARNING in iopt_map_pages (2)
Subsystem: iommu
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5834 at drivers/iommu/iommufd/io_pagetable.c:283 iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:283 [inline]
WARNING: CPU: 0 PID: 5834 at drivers/iommu/iommufd/io_pagetable.c:283 iopt_map_pages+0xce7/0xda0 drivers/iommu/iommufd/io_pagetable.c:367
Modules linked in:
CPU: 0 UID: 0 PID: 5834 Comm: syz-executor127 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:iopt_alloc_area_pages drivers/iommu/iommufd/io_pagetable.c:283 [inline]
RIP: 0010:iopt_map_pages+0xce7/0xda0 drivers/iommu/iommufd/io_pagetable.c:367
Code: 89 d8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4e f6 17 06 cc e8 c8 94 68 fc 90 0f 0b 90 e9 ca f7 ff ff e8 ba 94 68 fc 90 <0f> 0b 90 e9 88 f5 ff ff e8 2c 1b 15 06 44 89 f1 80 e1 07 80 c1 03
RSP: 0018:ffffc90003fb7880 EFLAGS: 00010293
RAX: ffffffff8557f866 RBX: 00000000ffffffea RCX: ffff88802f885a00
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc90003fb7ab0 R08: ffff88802f885a00 R09: 0000000000000002
R10: 00000000ffffffff R11: 0000000000000000 R12: ffffc90003fb7b70
R13: dffffc0000000000 R14: ffff88803340d810 R15: ffffc90003fb7ce0
FS:  0000555556f1e380(0000) GS:ffff888125a1c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000077afa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 iopt_map_common+0x2bb/0x4f0 drivers/iommu/iommufd/io_pagetable.c:411
 iopt_map_user_pages+0xbc/0xd0 drivers/iommu/iommufd/io_pagetable.c:452
 iommufd_ioas_map+0x392/0x4c0 drivers/iommu/iommufd/ioas.c:276
 iommufd_fops_ioctl+0x446/0x520 drivers/iommu/iommufd/main.c:419
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5a2c8b13e9
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5a46ce18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f5a2c8b13e9
RDX: 0000200000000080 RSI: 0000000000003b85 RDI: 0000000000000003
RBP: 00007f5a2c924610 R08: 00007fff5a46cfe8 R09: 00007fff5a46cfe8
R10: 00007fff5a46cfe8 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff5a46cfd8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Kernel bug: WARNING in max_vclocks_store
Subsystem: mm, net
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6084 at mm/page_alloc.c:5124 __alloc_frozen_pages_noprof+0x30b/0x23f0 mm/page_alloc.c:5124
Modules linked in:
CPU: 0 UID: 0 PID: 6084 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__alloc_frozen_pages_noprof+0x30b/0x23f0 mm/page_alloc.c:5124
Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 83 fe 0a 0f 86 0a fe ff ff 80 3d 37 62 80 0e 00 75 0b c6 05 2e 62 80 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8
RSP: 0018:ffffc900034c7820 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000015 RDI: 0000000000040dc0
RBP: 0000000000000015 R08: 0000000000000005 R09: 0000000000000009
R10: 0000000000000015 R11: 0000000000000001 R12: 0000000000040dc0
R13: 1ffff92000698f19 R14: ffffffff9ae74a24 R15: 0000000000000015
FS:  000055557f959500(0000) GS:ffff8881246c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000077b2c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2416
 ___kmalloc_large_node+0xed/0x160 mm/slub.c:4306
 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4337
 __do_kmalloc_node mm/slub.c:4353 [inline]
 __kmalloc_noprof.cold+0xc/0x61 mm/slub.c:4377
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kmalloc_array_noprof include/linux/slab.h:948 [inline]
 max_vclocks_store+0x210/0x3b0 drivers/ptp/ptp_sysfs.c:299
 dev_attr_store+0x58/0x80 drivers/base/core.c:2437
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x354/0x510 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x7d0/0x11d0 fs/read_write.c:686
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f703bf8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffdf66ad358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f703c1c5fa0 RCX: 00007f703bf8ebe9
RDX: 0000000000100082 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f703c011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f703c1c5fa0 R14: 00007f703c1c5fa0 R15: 0000000000000003
 </TASK>
Kernel bug: WARNING in bio_alloc_bioset
Subsystem: bcachefs
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12 at block/bio.c:513 bio_alloc_bioset+0xd45/0x1110 block/bio.c:513
Modules linked in:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: writeback wb_workfn (flush-bcachefs-1)
RIP: 0010:bio_alloc_bioset+0xd45/0x1110 block/bio.c:513
Code: db f6 ff 81 ce 00 20 09 00 e8 87 2c 7f fd 48 85 c0 0f 84 8b 00 00 00 49 89 c7 e8 c6 d2 28 fd e9 65 f8 ff ff e8 bc d2 28 fd 90 <0f> 0b 90 e9 41 fb ff ff e8 ae d2 28 fd 90 0f 0b 90 e9 04 fb ff ff
RSP: 0018:ffffc90000116ee0 EFLAGS: 00010293
RAX: ffffffff84977b34 RBX: 0000000000000000 RCX: ffff88801d285a00
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffff8880762c8948 R09: 1ffffd40003abf80
R10: dffffc0000000000 R11: fffff940003abf81 R12: 0000000000000001
R13: ffff8880762c8948 R14: ffff8880762c8a60 R15: 0000000000000100
FS:  0000000000000000(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd6cc922138 CR3: 0000000076ba8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_writepage_io_alloc fs/bcachefs/fs-io-buffered.c:502 [inline]
 __bch2_writepage+0x1581/0x2790 fs/bcachefs/fs-io-buffered.c:636
 write_cache_pages+0x64/0x100 mm/page-writeback.c:2614
 bch2_writepages+0xf9/0x2d0 fs/bcachefs/fs-io-buffered.c:666
 do_writepages+0x32b/0x550 mm/page-writeback.c:2636
 __writeback_single_inode+0x145/0xff0 fs/fs-writeback.c:1680
 writeback_sb_inodes+0x6b5/0x1000 fs/fs-writeback.c:1976
 __writeback_inodes_wb+0x111/0x240 fs/fs-writeback.c:2047
 wb_writeback+0x44f/0xaf0 fs/fs-writeback.c:2158
 wb_check_old_data_flush fs/fs-writeback.c:2262 [inline]
 wb_do_writeback fs/fs-writeback.c:2315 [inline]
 wb_workfn+0xaef/0xef0 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Kernel bug: KMSAN: uninit-value in hci_rx_work
Subsystem: bluetooth
Status: fixed

Crash report:
=====================================================
BUG: KMSAN: uninit-value in hci_acldata_packet net/bluetooth/hci_core.c:3796 [inline]
BUG: KMSAN: uninit-value in hci_rx_work+0x1092/0x11f0 net/bluetooth/hci_core.c:4030
 hci_acldata_packet net/bluetooth/hci_core.c:3796 [inline]
 hci_rx_work+0x1092/0x11f0 net/bluetooth/hci_core.c:4030
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3310
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3391
 kthread+0x3e2/0x540 kernel/kthread.c:389
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:4091 [inline]
 slab_alloc_node mm/slub.c:4134 [inline]
 kmem_cache_alloc_node_noprof+0x6bf/0xb80 mm/slub.c:4186
 kmalloc_reserve+0x13d/0x4a0 net/core/skbuff.c:587
 __alloc_skb+0x363/0x7b0 net/core/skbuff.c:678
 alloc_skb include/linux/skbuff.h:1322 [inline]
 bt_skb_alloc include/net/bluetooth/bluetooth.h:493 [inline]
 vhci_get_user drivers/bluetooth/hci_vhci.c:487 [inline]
 vhci_write+0x127/0x900 drivers/bluetooth/hci_vhci.c:607
 new_sync_write fs/read_write.c:590 [inline]
 vfs_write+0xb28/0x1540 fs/read_write.c:683
 ksys_write+0x24f/0x4c0 fs/read_write.c:736
 __do_sys_write fs/read_write.c:748 [inline]
 __se_sys_write fs/read_write.c:745 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:745
 x64_sys_call+0x306a/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

CPU: 1 UID: 0 PID: 4565 Comm: kworker/u9:1 Not tainted 6.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: hci0 hci_rx_work
=====================================================
Kernel bug: KASAN: vmalloc-out-of-bounds Read in run_irq_workd
Subsystem: kernel
Status: fixed

Crash report:
==================================================================
BUG: KASAN: vmalloc-out-of-bounds in irq_work_run_list kernel/irq_work.c:251 [inline]
BUG: KASAN: vmalloc-out-of-bounds in run_irq_workd+0x116/0x190 kernel/irq_work.c:305
Read of size 8 at addr ffffc9000cc08090 by task irq_work/1/26

CPU: 1 UID: 0 PID: 26 Comm: irq_work/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 irq_work_run_list kernel/irq_work.c:251 [inline]
 run_irq_workd+0x116/0x190 kernel/irq_work.c:305
 smpboot_thread_fn+0x53f/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4b9/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

The buggy address belongs to a vmalloc virtual mapping
Memory state around the buggy address:
 ffffc9000cc07f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000cc08000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
>ffffc9000cc08080: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
                         ^
 ffffc9000cc08100: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
 ffffc9000cc08180: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8
==================================================================
Kernel bug: WARNING: kernel/bpf/verifier.c:LINE at do_check, CPU: syz.NUM.NUM/NUM
Subsystem: bpf
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: kernel/bpf/verifier.c:19944 at do_check+0xa99c/0xdba0 kernel/bpf/verifier.c:19944, CPU#0: syz.0.16/6006
Modules linked in:
CPU: 0 UID: 0 PID: 6006 Comm: syz.0.16 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:do_check+0xa99c/0xdba0 kernel/bpf/verifier.c:19944
Code: fc ff df 0f b6 04 08 84 c0 0f 85 91 2a 00 00 c7 03 00 00 00 00 49 bd 00 00 00 00 00 fc ff df e9 9d e9 ff ff e8 95 8a e9 ff 90 <0f> 0b 90 e9 fe cf ff ff e8 87 8a e9 ff 48 b8 00 00 00 00 00 fc ff
RSP: 0018:ffffc90003d7eec0 EFLAGS: 00010293
RAX: ffffffff81d6df9b RBX: 0000000000000011 RCX: ffff88807a10da00
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000011
RBP: ffffc90003d7f2d0 R08: 0000000000000004 R09: 0000000000000004
R10: ffff88802fa5b07c R11: ffffed1005f4b612 R12: 0000000000000010
R13: dffffc0000000000 R14: ffffc9000321e000 R15: ffffc9000321e611
FS:  0000555578232500(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f25ffff CR3: 0000000076224000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_check_common+0x18c9/0x2400 kernel/bpf/verifier.c:23078
 do_check_main kernel/bpf/verifier.c:23161 [inline]
 bpf_check+0x110e2/0x1a240 kernel/bpf/verifier.c:24515
 bpf_prog_load+0x1318/0x1930 kernel/bpf/syscall.c:2972
 __sys_bpf+0x5f1/0x860 kernel/bpf/syscall.c:5978
 __do_sys_bpf kernel/bpf/syscall.c:6085 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6083 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6083
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9eb5d8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffcbbdcac48 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f9eb5fb5fa0 RCX: 00007f9eb5d8e929
RDX: 0000000000000090 RSI: 00002000000004c0 RDI: 0000000000000005
RBP: 00007f9eb5e10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9eb5fb5fa0 R14: 00007f9eb5fb5fa0 R15: 0000000000000003
 </TASK>