laptop-kernel, branch master

firmware_loader: always print path of firmware

2026-10-19T15:59:16Z

This will help me optimize my /etc/portage/savedconfig/sys-kernel/linux-firmware-* file. Signed-off-by: Jason A. Donenfeld

power: supply: avoid nullptr deref in __power_supply_is_system_supplied

2026-10-19T15:59:16Z

Fix the following OOPS: BUG: kernel NULL pointer dereference, address: 0000000000000000 PGD 0 P4D 0 Oops: 0010 [#1] PREEMPT SMP CPU: 14 PID: 1156 Comm: upowerd Tainted: G S U 6.0.0-rc1+ #366 Hardware name: LENOVO 20Y5CTO1WW/20Y5CTO1WW, BIOS N40ET36W (1.18 ) 07/19/2022 RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff88815350bd08 EFLAGS: 00010212 RAX: ffff88810207d620 RBX: ffff88815350bd7c RCX: 000000000000394e RDX: ffff88815350bd10 RSI: 0000000000000004 RDI: ffff888111722c00 RBP: ffff88815350bd68 R08: ffff8881187a8af8 R09: ffff8881187a8af8 R10: 0000000000000000 R11: 000000000000005f R12: ffffffff8162d0b0 R13: ffff88810159a038 R14: ffffffff823b3768 R15: ffff88810159a000 FS: 00007fd1f0958140(0000) GS:ffff88901f780000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000152c7a004 CR4: 0000000000770ee0 PKRU: 55555554 Call Trace: __power_supply_is_system_supplied+0x26/0x40 class_for_each_device+0xa5/0xd0 ? acpi_battery_get_state+0x4e/0x1f0 power_supply_is_system_supplied+0x26/0x40 acpi_battery_get_property+0x301/0x310 power_supply_show_property+0xa5/0x1d0 dev_attr_show+0x10/0x30 sysfs_kf_seq_show+0x78/0xc0 seq_read_iter+0xfd/0x3e0 vfs_read+0x1cb/0x290 ksys_read+0x4e/0xc0 do_syscall_64+0x2b/0x50 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fd1f0bed70c Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 39 a4 f8 ff 41 89 c0 48 8b 54 24 18 48 8b 74 24 10 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 8f a4 f8 ff 48 RSP: 002b:00007ffc8d3f27e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd1f0bed70c RDX: 0000000000001000 RSI: 000055957d534850 RDI: 000000000000000c RBP: 000055957d50b1d0 R08: 0000000000000000 R09: 0000000000001000 R10: 000000000000006f R11: 0000000000000246 R12: 00007ffc8d3f2910 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000c CR2: 0000000000000000 ---[ end trace 0000000000000000 ]--- RIP: 0010:0x0 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 0018:ffff88815350bd08 EFLAGS: 00010212 RAX: ffff88810207d620 RBX: ffff88815350bd7c RCX: 000000000000394e RDX: ffff88815350bd10 RSI: 0000000000000004 RDI: ffff888111722c00 RBP: ffff88815350bd68 R08: ffff8881187a8af8 R09: ffff8881187a8af8 R10: 0000000000000000 R11: 000000000000005f R12: ffffffff8162d0b0 R13: ffff88810159a038 R14: ffffffff823b3768 R15: ffff88810159a000 FS: 00007fd1f0958140(0000) GS:ffff88901f780000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000152c7a004 CR4: 0000000000770ee0 The disassembly of the top function in the stack trace is: .text:0000000000000000 __power_supply_is_system_supplied proc near .text:0000000000000000 ; DATA XREF: power_supply_is_system_supplied+12↓o .text:0000000000000000 .text:0000000000000000 var_8 = qword ptr -8 .text:0000000000000000 .text:0000000000000000 sub rsp, 8 .text:0000000000000004 mov rdi, [rdi+78h] .text:0000000000000008 inc dword ptr [rsi] .text:000000000000000A mov [rsp+8+var_8], 0 .text:0000000000000012 mov rax, [rdi] .text:0000000000000015 cmp dword ptr [rax+8], 1 .text:0000000000000019 jz short loc_2A .text:000000000000001B mov rdx, rsp .text:000000000000001E mov esi, 4 .text:0000000000000023 call qword ptr [rax+30h] .text:0000000000000026 test eax, eax .text:0000000000000028 jz short loc_31 .text:000000000000002A .text:000000000000002A loc_2A: ; CODE XREF: __power_supply_is_system_supplied+19↑j .text:000000000000002A xor eax, eax .text:000000000000002C add rsp, 8 .text:0000000000000030 retn .text:0000000000000031 ; --------------------------------------------------------------------------- .text:0000000000000031 .text:0000000000000031 loc_31: ; CODE XREF: __power_supply_is_system_supplied+28↑j .text:0000000000000031 mov eax, dword ptr [rsp+8+var_8] .text:0000000000000034 add rsp, 8 .text:0000000000000038 retn .text:0000000000000038 __power_supply_is_system_supplied endp So presumably `call qword ptr [rax+30h]` is jumping to NULL. Cc: stable@vger.kernel.org Cc: Rafael J. Wysocki Signed-off-by: Jason A. Donenfeld

x86/split_lock: turn off by default

2026-10-19T15:59:16Z

I don't want the log spam. Signed-off-by: Jason A. Donenfeld

thermal: don't shut off system when melting

2026-10-19T15:59:16Z

Signed-off-by: Jason A. Donenfeld

v4l2: add loopback driver

2026-10-19T15:59:16Z

I've cleaned up the compat stuff for this out of tree driver. Signed-off-by: Jason A. Donenfeld

acpi: import acpi_call driver

2026-10-19T15:59:16Z

This code, from , is garbage, but it's still quite useful, so import it here in a somewhat sane way. Signed-off-by: Jason A. Donenfeld

Linux 7.3

2026-10-18T23:14:58Z

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

2026-10-18T19:06:02Z

Pull SCSI fixes from James Bottomley: "All fixes in drivers (or the tape ULD) and one core fix to bsg (the block ioctl equivalent of sg_io). The biggest is the race in auth updates fix in iscsi configfs, but the next biggest one is in bsg but the generic pieces of that are mostly threading reply_len" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: bsg: Pass reply_len to bsg_setup_queue() to fit UFS ARPMB replies scsi: libsas: Fix SMP IO deadlock during HA resume scsi: libiscsi: Validate the task named by a management response scsi: libiscsi: Validate the ITT reflected in a Reject PDU scsi: libiscsi: Reject a negative task index from parse_pdu_itt scsi: target: iscsi: Fix race in discovery auth updates scsi: target: Disable interrupts while holding delayed_cmd_lock scsi: st: Fix use-after-free race between st_remove() and st_open() scsi: st: Save the visited block for the partition the drive is in scsi: xen/scsifront: Check for a NULL shadow entry on a backend response

Merge tag 'spi-fix-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

2026-10-18T18:59:16Z

Pull spi fixes from Mark Brown: "A small collection of driver specific fixes, all quite important if you have the relevant hardware" * tag 'spi-fix-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: spi-fsl-lpspi: directly return ret in fsl_lpspi_transfer_one() spi: spi-fsl-lpspi: pass struct fsl_lpspi_data instead of struct spi_controller if possible spi: imx: fix slab corruption from undersized DMA bounce buffers spi: tegra114: assert CS GPIO for every transfer in a message

Merge tag 'regmap-fix-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

2026-10-18T18:36:29Z

Pull regmap fixes from Mark Brown: "The main thing here is a fix for lockdep warnings with MMIO regmaps that use a raw spinlock and a cache, some other lockdep fixes we'd done for the benefit of the maple tree on sleeping buses meant that we were doing allocations for those MMIO regmaps under a raw spinlock. While fixing that Michael Reeves also noticed that the debugfs files were briefly available without the cache structures backing them. There's also a fix for interrupt freeing on error in regmap-irq which had been hanging around because it's not super urgent" * tag 'regmap-fix-v7.3-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: Drop map lock during cache init and exit regmap: Remove debugfs before cache teardown regmap: irq: Free the irqdomain we create