live-kbench/live-kbench huggingface dataset:
Kernel bug: WARNING in record_func_key
Subsystem: bpf
Status: fixed

Crash report:
------------[ cut here ]------------
verifier bug: expected array map for tail call(1)
WARNING: CPU: 0 PID: 5831 at kernel/bpf/verifier.c:11084 record_func_key+0x2d6/0x490 kernel/bpf/verifier.c:11084
Modules linked in:
CPU: 0 UID: 0 PID: 5831 Comm: syz-executor941 Not tainted 6.16.0-rc3-syzkaller-gcce3fee729ee #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:record_func_key+0x2d6/0x490 kernel/bpf/verifier.c:11084
Code: 09 cc e8 cd 64 e3 ff 80 3d 78 15 ae 0d 01 74 ba e8 bf 64 e3 ff c6 05 6a 15 ae 0d 01 90 48 c7 c7 e0 e3 91 8b e8 bb 07 a7 ff 90 <0f> 0b 90 90 eb 9f e8 9f 64 e3 ff eb 05 e8 98 64 e3 ff 48 8b 5c 24
RSP: 0018:ffffc90003f9ec70 EFLAGS: 00010246
RAX: 1a7eac49ccc01000 RBX: dffffc0000000000 RCX: ffff88807bb0bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000001 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffff888142ec6000
R13: ffff8880278b2000 R14: ffff888032380000 R15: 1ffff11006470006
FS:  000055557603c380(0000) GS:ffff888125c4d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000364be398 CR3: 0000000077a22000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_helper_call+0x2fb8/0x6b60 kernel/bpf/verifier.c:11395
 do_check_insn kernel/bpf/verifier.c:19850 [inline]
 do_check+0x95ec/0xe080 kernel/bpf/verifier.c:20017
 do_check_common+0x188f/0x23f0 kernel/bpf/verifier.c:23180
 do_check_main kernel/bpf/verifier.c:23263 [inline]
 bpf_check+0x10252/0x1a5d0 kernel/bpf/verifier.c:24619
 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: 0033:0x7f4fbbba64a9
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:00007ffd87326708 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ffd873268d8 RCX: 00007f4fbbba64a9
RDX: 0000000000000094 RSI: 00002000000008c0 RDI: 0000000000000005
RBP: 00007f4fbbc19610 R08: 00007ffd873268d8 R09: 00007ffd873268d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffd873268c8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Kernel bug: WARNING in follow_page_pte
Subsystem: usb, input, mm
Status: fixed

Crash report:
 do_initcall_level+0x104/0x190 init/main.c:1331
 do_initcalls+0x59/0xa0 init/main.c:1347
 kernel_init_freeable+0x334/0x4b0 init/main.c:1579
 kernel_init+0x1d/0x1d0 init/main.c:1469
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5866 at mm/gup.c:869 follow_page_pte+0xe3c/0x13e0 mm/gup.c:868
Modules linked in:
CPU: 0 UID: 0 PID: 5866 Comm: syz-executor302 Not tainted 6.16.0-syzkaller-11699-g7e161a991ea7 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:follow_page_pte+0xe3c/0x13e0 mm/gup.c:868
Code: ff e8 f8 7a b7 ff 48 ff cb e9 a2 fc ff ff e8 eb 7a b7 ff 4c 89 f7 48 c7 c6 c0 11 96 8b e8 5c cb 1f ff c6 05 75 f7 84 0d 01 90 <0f> 0b 90 e9 0c fd ff ff e8 d7 46 70 09 89 d9 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90003ddf8a0 EFLAGS: 00010246
RAX: 308c9254a9bba300 RBX: 0000000000000000 RCX: 308c9254a9bba300
RDX: 0000000000000004 RSI: ffffffff8dba2d77 RDI: ffff8880322c9e00
RBP: ffffc90003ddf988 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa1ec R12: dffffc0000000000
R13: 0000000000080101 R14: ffffea0001c20240 R15: 0000000070809867
FS:  0000555557f15380(0000) GS:ffff888125c24000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000004340 CR3: 0000000072ff4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 follow_pmd_mask mm/gup.c:-1 [inline]
 follow_pud_mask mm/gup.c:981 [inline]
 follow_p4d_mask mm/gup.c:998 [inline]
 follow_page_mask mm/gup.c:1041 [inline]
 __get_user_pages+0xa8e/0x2ce0 mm/gup.c:1444
 __get_user_pages_locked mm/gup.c:1712 [inline]
 __gup_longterm_locked+0x3dc/0x1660 mm/gup.c:2493
 pin_user_pages+0x9e/0xd0 mm/gup.c:3406
 xdp_umem_pin_pages+0x117/0x340 net/xdp/xdp_umem.c:105
 xdp_umem_reg net/xdp/xdp_umem.c:230 [inline]
 xdp_umem_create+0x677/0x8e0 net/xdp/xdp_umem.c:263
 xsk_setsockopt+0x7b0/0x8d0 net/xdp/xsk.c:1409
 do_sock_setsockopt+0x179/0x1b0 net/socket.c:2344
 __sys_setsockopt net/socket.c:2369 [inline]
 __do_sys_setsockopt net/socket.c:2375 [inline]
 __se_sys_setsockopt net/socket.c:2372 [inline]
 __x64_sys_setsockopt+0x13f/0x1b0 net/socket.c:2372
 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: 0033:0x7f9ea1cc05b9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc94f86308 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9ea1cc05b9
RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000004
RBP: 00007f9ea1d335f0 R08: 000000000000001c R09: 0000000000000006
R10: 00002000000000c0 R11: 0000000000000206 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Kernel bug: WARNING in move_to_new_folio
Subsystem: mm
Status: fixed

Crash report:
------------[ cut here ]------------
gfs2_meta_aops does not implement migrate_folio
WARNING: CPU: 0 PID: 30 at mm/migrate.c:944 fallback_migrate_folio mm/migrate.c:942 [inline]
WARNING: CPU: 0 PID: 30 at mm/migrate.c:944 move_to_new_folio+0x696/0x7a0 mm/migrate.c:996
Modules linked in:
CPU: 0 UID: 0 PID: 30 Comm: kcompactd1 Not tainted 6.16.0-rc3-syzkaller-00057-g92ca6c498a5e #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:fallback_migrate_folio mm/migrate.c:942 [inline]
RIP: 0010:move_to_new_folio+0x696/0x7a0 mm/migrate.c:996
Code: 0d 01 90 42 80 7c 3d 00 00 74 0a 48 8b 7c 24 20 e8 3f 53 fe ff 48 8b 44 24 20 48 8b 30 48 c7 c7 00 b4 97 8b e8 3b 7a 5e ff 90 <0f> 0b 90 90 49 bf 00 00 00 00 00 fc ff df e9 7e fd ff ff e8 42 d0
RSP: 0018:ffffc90000516fd0 EFLAGS: 00010246
RAX: 124470d10cdda500 RBX: ffffea00010a6140 RCX: ffff888030fd0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 1ffff1100ac3f712 R08: ffff88801fc24293 R09: 1ffff11003f84852
R10: dffffc0000000000 R11: ffffed1003f84853 R12: ffffea0001242240
R13: ffff8880561fb770 R14: ffffea00010a6148 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc24a0076a2 CR3: 0000000044463000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 migrate_folio_move mm/migrate.c:1301 [inline]
 migrate_folios_move mm/migrate.c:1653 [inline]
 migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1900
 migrate_pages_sync mm/migrate.c:1930 [inline]
 migrate_pages+0x1bcc/0x2930 mm/migrate.c:2039
 compact_zone+0x23f4/0x4ad0 mm/compaction.c:2683
 compact_node+0x1d2/0x280 mm/compaction.c:2952
 kcompactd+0xbc8/0x1290 mm/compaction.c:3250
 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: UBSAN: shift-out-of-bounds in das16m1_attach
Subsystem: comedi
Status: fixed

Crash report:
UBSAN: shift-out-of-bounds in drivers/comedi/drivers/das16m1.c:525:9
shift exponent 67108867 is too large for 32-bit type 'int'
CPU: 0 UID: 0 PID: 6101 Comm: syz.0.16 Not tainted 6.16.0-rc4-syzkaller-00123-g4c06e63b9203 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x16c/0x1f0 lib/dump_stack.c:120
 ubsan_epilogue lib/ubsan.c:233 [inline]
 __ubsan_handle_shift_out_of_bounds+0x27f/0x420 lib/ubsan.c:494
 das16m1_attach.cold+0x19/0x1e drivers/comedi/drivers/das16m1.c:525
 comedi_device_attach+0x3b3/0x900 drivers/comedi/drivers.c:996
 do_devconfig_ioctl+0x1a7/0x580 drivers/comedi/comedi_fops.c:855
 comedi_unlocked_ioctl+0x15bb/0x2e90 drivers/comedi/comedi_fops.c:2136
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18b/0x210 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1d8718e929
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:00007ffe20aa5098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1d873b5fa0 RCX: 00007f1d8718e929
RDX: 0000200000000080 RSI: 0000000040946400 RDI: 0000000000000003
RBP: 00007f1d87210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1d873b5fa0 R14: 00007f1d873b5fa0 R15: 0000000000000003
 </TASK>
---[ end trace ]---
Kernel bug: WARNING in do_check
Subsystem: bpf
Status: fixed

Crash report:
------------[ cut here ]------------
verifier bug: add backedge: no SCC in verification path, insn_idx 9(1)
WARNING: CPU: 1 PID: 5838 at kernel/bpf/verifier.c:1970 add_scc_backedge kernel/bpf/verifier.c:1969 [inline]
WARNING: CPU: 1 PID: 5838 at kernel/bpf/verifier.c:1970 is_state_visited kernel/bpf/verifier.c:19417 [inline]
WARNING: CPU: 1 PID: 5838 at kernel/bpf/verifier.c:1970 do_check+0xda21/0xdba0 kernel/bpf/verifier.c:19861
Modules linked in:
CPU: 1 UID: 0 PID: 5838 Comm: syz-executor286 Not tainted 6.15.0-syzkaller-g1c66f4a3612c #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:add_scc_backedge kernel/bpf/verifier.c:1969 [inline]
RIP: 0010:is_state_visited kernel/bpf/verifier.c:19417 [inline]
RIP: 0010:do_check+0xda21/0xdba0 kernel/bpf/verifier.c:19861
Code: 01 90 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 0f 85 2b 01 00 00 41 8b 75 00 48 c7 c7 20 49 91 8b e8 d0 05 ad ff 90 <0f> 0b 90 90 e9 27 fe ff ff e8 11 5d e9 ff e8 3c 10 4d 00 ba 38 00
RSP: 0018:ffffc900043eeec0 EFLAGS: 00010246
RAX: 53f7659fb2f02200 RBX: ffffc900043ef180 RCX: ffff8880257d1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc900043ef2c8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfaa44 R12: ffff88801c7a4b00
R13: ffff88801c7a4b54 R14: 1ffff110038f496a R15: 0000000000000000
FS:  000055556bd6a380(0000) GS:ffff888125d54000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000ebea398 CR3: 00000000713fa000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_check_common+0x18fa/0x2460 kernel/bpf/verifier.c:23086
 do_check_main kernel/bpf/verifier.c:23177 [inline]
 bpf_check+0x110e2/0x1a240 kernel/bpf/verifier.c:24530
 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: 0033:0x7f37a741f569
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:00007ffe3011bf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007ffe3011c0d8 RCX: 00007f37a741f569
RDX: 0000000000000094 RSI: 0000200000000840 RDI: 0000000000000005
RBP: 00007f37a7492610 R08: 00007ffe3011c0d8 R09: 00007ffe3011c0d8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe3011c0c8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
Kernel bug: WARNING in __hci_cmd_sync_sk
Subsystem: bluetooth
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 2 PID: 5955 at kernel/workqueue.c:2282 __queue_work+0xc13/0x1020 kernel/workqueue.c:2281
Modules linked in:
CPU: 2 PID: 5955 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #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:__queue_work+0xc13/0x1020 kernel/workqueue.c:2281
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 76 07 91 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 d7 3f 35 00 85 db 75 2a e8 ce 44 35 00 90 <0f> 0b 90 e9 4d f9 ff ff e8 c0 44 35 00 90 0f 0b 90 e9 fc f8 ff ff
RSP: 0018:ffffc9000b9978f0 EFLAGS: 00010093
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81589fb9
RDX: ffff888021b64880 RSI: ffffffff81589fc2 RDI: 0000000000000005
RBP: 0000000000000200 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880269bcad0
R13: 0000000000000008 R14: ffff888043e61000 R15: ffff888043e61000
FS:  00005555879ee500(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5840efeda0 CR3: 0000000027ff8000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 queue_work_on+0x11a/0x140 kernel/workqueue.c:2411
 queue_work include/linux/workqueue.h:621 [inline]
 hci_cmd_sync_run net/bluetooth/hci_sync.c:145 [inline]
 __hci_cmd_sync_sk+0x359/0xf80 net/bluetooth/hci_sync.c:167
 __hci_cmd_sync_status_sk net/bluetooth/hci_sync.c:252 [inline]
 __hci_cmd_sync_status+0x3f/0x160 net/bluetooth/hci_sync.c:278
 hci_dev_cmd+0x625/0x9c0 net/bluetooth/hci_core.c:747
 hci_sock_ioctl+0x4f3/0x880 net/bluetooth/hci_sock.c:1150
 sock_do_ioctl+0x116/0x280 net/socket.c:1222
 sock_ioctl+0x22e/0x6c0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x193/0x220 fs/ioctl.c:893
 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: 0033:0x7f5840f757db
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffea3fbfcb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5840f757db
RDX: 00007ffea3fbfd28 RSI: 00000000400448dd RDI: 0000000000000003
RBP: 00005555879ee4a8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000005 R15: 0000000000000009
 </TASK>
Kernel bug: KMSAN: uninit-value in nsim_get_ringparam
Subsystem: net
Status: fixed

Crash report:
=====================================================
BUG: KMSAN: uninit-value in nsim_get_ringparam+0xa8/0xe0 drivers/net/netdevsim/ethtool.c:77
 nsim_get_ringparam+0xa8/0xe0 drivers/net/netdevsim/ethtool.c:77
 ethtool_set_ringparam+0x268/0x570 net/ethtool/ioctl.c:2072
 __dev_ethtool net/ethtool/ioctl.c:3209 [inline]
 dev_ethtool+0x126d/0x2a40 net/ethtool/ioctl.c:3398
 dev_ioctl+0xb0e/0x1280 net/core/dev_ioctl.c:759
 sock_do_ioctl+0x28c/0x540 net/socket.c:1208
 sock_ioctl+0x721/0xd70 net/socket.c:1313
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0x246/0x440 fs/ioctl.c:892
 __x64_sys_ioctl+0x96/0xe0 fs/ioctl.c:892
 x64_sys_call+0x19f0/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:17
 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

Local variable kernel_ringparam created at:
 ethtool_set_ringparam+0x96/0x570 net/ethtool/ioctl.c:2063
 __dev_ethtool net/ethtool/ioctl.c:3209 [inline]
 dev_ethtool+0x126d/0x2a40 net/ethtool/ioctl.c:3398

CPU: 0 UID: 0 PID: 5807 Comm: syz-executor164 Not tainted 6.13.0-syzkaller-04788-g7004a2e46d16 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================
Kernel bug: WARNING in maybe_exit_scc
Subsystem: bpf
Status: fixed

Crash report:
------------[ cut here ]------------
verifier bug: scc exit: no visit info for call chain (1)(1)
WARNING: CPU: 1 PID: 6013 at kernel/bpf/verifier.c:1949 maybe_exit_scc+0x768/0x8d0 kernel/bpf/verifier.c:1949
Modules linked in:
CPU: 1 UID: 0 PID: 6013 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:maybe_exit_scc+0x768/0x8d0 kernel/bpf/verifier.c:1949
Code: ff ff e8 cb 8e e7 ff c6 05 0a b5 bf 0e 01 90 48 89 ee 48 89 df e8 f8 41 fb ff 48 c7 c7 a0 9b b5 8b 48 89 c6 e8 59 33 a6 ff 90 <0f> 0b 90 90 e9 4e ff ff ff e8 0a ee 4d 00 e9 7f f9 ff ff 4c 8b 4c
RSP: 0018:ffffc900041bf500 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff888079840000 RCX: ffffffff817a4388
RDX: ffff88807d3f8000 RSI: ffffffff817a4395 RDI: 0000000000000001
RBP: ffff888079846328 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffff92000837ea7
R13: 0000000000000000 R14: ffff88805cf87400 R15: dffffc0000000000
FS:  000055557c9b5500(0000) GS:ffff8881247b2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557c9b5808 CR3: 0000000073b4d000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 update_branch_counts kernel/bpf/verifier.c:2040 [inline]
 do_check kernel/bpf/verifier.c:20135 [inline]
 do_check_common+0x20cc/0xb410 kernel/bpf/verifier.c:23264
 do_check_main kernel/bpf/verifier.c:23347 [inline]
 bpf_check+0x869f/0xc670 kernel/bpf/verifier.c:24707
 bpf_prog_load+0xe41/0x2490 kernel/bpf/syscall.c:2979
 __sys_bpf+0x4a3f/0x4de0 kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:6137
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4e0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd1d078eba9
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:00007ffee0400aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fd1d09d5fa0 RCX: 00007fd1d078eba9
RDX: 0000000000000048 RSI: 00002000000017c0 RDI: 0000000000000005
RBP: 00007fd1d0811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd1d09d5fa0 R14: 00007fd1d09d5fa0 R15: 0000000000000003
 </TASK>
Kernel bug: WARNING in perf_pending_task
Subsystem: perf
Status: fixed

Crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5309 at kernel/events/core.c:7211 perf_sigtrap kernel/events/core.c:7211 [inline]
WARNING: CPU: 0 PID: 5309 at kernel/events/core.c:7211 perf_pending_task+0x319/0x400 kernel/events/core.c:7325
Modules linked in:
CPU: 0 UID: 0 PID: 5309 Comm: syz-executor122 Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:perf_sigtrap kernel/events/core.c:7211 [inline]
RIP: 0010:perf_pending_task+0x319/0x400 kernel/events/core.c:7325
Code: 85 8f 00 00 00 41 fe 4d 00 eb 05 e8 21 4f cd ff 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d e9 4e 34 76 09 cc e8 08 4f cd ff 90 <0f> 0b 90 41 80 3c 1c 00 0f 85 02 ff ff ff e9 05 ff ff ff 44 89 e1
RSP: 0018:ffffc9000d41f9d0 EFLAGS: 00010293
RAX: ffffffff81f2fe18 RBX: dffffc0000000000 RCX: ffff888032cbc880
RDX: 0000000000000000 RSI: 0000000074971a36 RDI: 0000000000000000
RBP: 0000000074971a36 R08: ffffffff8fa10af7 R09: 1ffffffff1f4215e
R10: dffffc0000000000 R11: ffffffff81f2fb00 R12: 1ffff110035f390f
R13: ffff888032cbc880 R14: ffff88801af9cad8 R15: ffff88801af9c878
FS:  0000000000000000(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000018 CR3: 000000000df38000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x22e0 kernel/exit.c:964
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1105
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9ae420dab9
Code: Unable to access opcode bytes at 0x7f9ae420da8f.
RSP: 002b:00007ffd20a313c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 00007f9ae420dab9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f9ae42805f0 R08: 0000000000000000 R09: 0000000000000006
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>