Control: tags -1 + moreinfo Hi Johannes,
On Sun, Jul 13, 2025 at 05:56:09AM +0000, Johannes Krottmayer wrote: > Package: src:linux > Version: 6.12.35-1 > Severity: normal > X-Debbugs-Cc: [email protected] > User: [email protected] > Usertags: amd64 > > Dear Maintainer, > > *** Reporter, please consider answering these questions, where appropriate *** > > * What exactly did you do (or not do) that was effective (or > ineffective)? > > The issue exists randomly. In the kernel bug/oops message (which I have > attached) with firefox-esr. But I noticed > the issue also with other applications. The system I still partially usable, > but some of the applications no > longer working. As example send a SIGKILL to the crashed process doesn't work. > > * What was the outcome of this action? > > The issue results in a kernel bug/oops message with the folowing output: > > ++ > Jul 13 06:48:13 workstation systemd[1791]: > app-firefox\[email protected]: Consumed 31.377s > CPU time, 854.2M memory peak. > Jul 13 06:48:18 workstation systemd[1791]: Started app-firefox\x2de > [email protected] - Firefox ESR - Web Browser. > Jul 13 06:48:19 workstation kernel: BUG: unable to handle page fault for > address: 00007f089d349008 > Jul 13 06:48:19 workstation kernel: #PF: supervisor read access in kernel mode > Jul 13 06:48:19 workstation kernel: #PF: error_code(0x0000) - not-present page > Jul 13 06:48:19 workstation kernel: PGD 800000019c36c067 P4D 800000019c36c067 > PUD 1cda1c067 PMD 2252f7067 PTE 0 > Jul 13 06:48:19 workstation kernel: Oops: Oops: 0000 [#1] PREEMPT SMP PTI > Jul 13 06:48:19 workstation kernel: CPU: 1 UID: 1000 PID: 8488 Comm: > firefox-esr Not tainted 6.12.35+deb13-amd64 #1 Debian 6.12.35-1 > Jul 13 06:48:19 workstation kernel: Hardware name: System manufacturer System > Product Name/P5QL/EPU, BIOS 0408 07/20/2009 > Jul 13 06:48:19 workstation kernel: RIP: 0010:mas_leaf_max_gap+0x62/0x240 > Jul 13 06:48:19 workstation kernel: Code: 84 00 00 00 00 00 66 66 2e 0f 1f 84 > 00 00 00 00 00 0f 1f 80 00 00 00 00 48 39 d1 48 0f 42 ca 48 83 c > 0 08 31 d2 48 39 c6 74 13 <48> 83 38 00 75 e8 48 83 c0 08 48 83 c2 01 48 39 > c6 75 ed 48 39 d1 > Jul 13 06:48:19 workstation kernel: RSP: 0018:ffffb828c9ec3720 EFLAGS: > 00010246 > Jul 13 06:48:19 workstation kernel: RAX: 00007f089d349008 RBX: > ffff8b4680dada0e RCX: 0000000000000000 > Jul 13 06:48:19 workstation kernel: RDX: 0000000000000000 RSI: > 00007f089d349100 RDI: ffffb828c9ec3940 > Jul 13 06:48:19 workstation kernel: RBP: ffffb828c9ec3940 R08: > ffff8b47af856d10 R09: ffffb828c9ec3940 > Jul 13 06:48:19 workstation kernel: R10: ffff8b4668633ca0 R11: > 0000000000000009 R12: 0000000000000000 > Jul 13 06:48:19 workstation kernel: R13: ffffb828c9ec37c8 R14: > 0000000000000001 R15: 0000000000000000 > Jul 13 06:48:19 workstation kernel: FS: 00007f08948be6c0(0000) > GS:ffff8b492fc80000(0000) knlGS:0000000000000000 > Jul 13 06:48:19 workstation kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Jul 13 06:48:19 workstation kernel: CR2: 00007f089d349008 CR3: > 00000001df494000 CR4: 00000000000426f0 > Jul 1 > 3 06:48:19 workstation kernel: Call Trace: > Jul 13 06:48:19 workstation kernel: <TASK> > Jul 13 06:48:19 workstation kernel: mas_update_gap.part.0+0xc1/0x200 > Jul 13 06:48:19 workstation kernel: mas_store_prealloc+0x1b6/0x3b0 > Jul 13 06:48:19 workstation kernel: commit_merge+0x229/0x290 > Jul 13 06:48:19 workstation kernel: vma_expand+0x96/0x160 > Jul 13 06:48:19 workstation kernel: vma_merge_new_range+0x1c4/0x340 > Jul 13 06:48:19 workstation kernel: __mmap_region+0x2db/0xb10 > Jul 13 06:48:19 workstation kernel: do_mmap+0x499/0x690 > Jul 13 06:48:19 workstation kernel: vm_mmap_pgoff+0xec/0x1c0 > Jul 13 06:48:19 workstation kernel: do_syscall_64+0x82/0x190 > Jul 13 06:48:19 workstation kernel: ? __rseq_handle_notify_resume+0xa2/0x4a0 > Jul 13 06:48:19 workstation kernel: ? _copy_from_user+0x29/0x70 > Jul 13 06:48:19 workstation kernel: ? __x64_sys_rt_sigprocmask+0xdb/0x150 > Jul 13 06:48:19 workstation kernel: ? syscall_exit_to_user_mode+0x4d/0x210 > Jul 13 06:48:19 workstation kern > el: ? do_syscall_64+0x8e/0x190 > Jul 13 06:48:19 workstation kernel: ? do_syscall_64+0x8e/0x190 > Jul 13 06:48:19 workstation kernel: ? __mod_memcg_lruvec_state+0x9c/0x140 > Jul 13 06:48:19 workstation kernel: ? __lruvec_stat_mod_folio+0x83/0xd0 > Jul 13 06:48:19 workstation kernel: ? __folio_mod_stat+0x26/0x80 > Jul 13 06:48:19 workstation kernel: ? set_ptes.isra.0+0x36/0x80 > Jul 13 06:48:19 workstation kernel: ? do_anonymous_page+0xfe/0x870 > Jul 13 06:48:19 workstation kernel: ? __pte_offset_map+0x1b/0x180 > Jul 13 06:48:19 workstation kernel: ? __handle_mm_fault+0xb14/0xf70 > Jul 13 06:48:19 workstation kernel: ? __count_memcg_events+0x53/0xf0 > Jul 13 06:48:19 workstation kernel: ? > count_memcg_events.constprop.0+0x1a/0x30 > Jul 13 06:48:19 workstation kernel: ? syscall_exit_to_user_mode+0x4d/0x210 > Jul 13 06:48:19 workstation kernel: ? do_syscall_64+0x8e/0x190 > Jul 13 06:48:19 workstation kernel: ? do_user_addr_fault+0x36c/0x620 > Jul 13 06:48:19 workstation kernel: ? exc_page > _fault+0x7e/0x180 > Jul 13 06:48:19 workstation kernel: entry_SYSCALL_64_after_hwframe+0x76/0x7e > Jul 13 06:48:19 workstation kernel: RIP: 0033:0x7f08a9ae9de2 > Jul 13 06:48:19 workstation kernel: Code: 00 00 00 0f 1f 44 00 00 41 f7 c1 ff > 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 3b 41 89 ea 48 89 df b8 09 00 > 00 00 0f 05 <48> 3d 00 f0 ff ff 77 76 5b 5d c3 0f 1f 00 48 8b 05 e1 9f 0d 00 > 64 > Jul 13 06:48:19 workstation kernel: RSP: 002b:00007f08948bddb8 EFLAGS: > 00000246 ORIG_RAX: 0000000000000009 > Jul 13 06:48:19 workstation kernel: RAX: ffffffffffffffda RBX: > 0000000000000000 RCX: 00007f08a9ae9de2 > Jul 13 06:48:19 workstation kernel: RDX: 0000000000000003 RSI: > 0000000000004000 RDI: 0000000000000000 > Jul 13 06:48:19 workstation kernel: RBP: 0000000000000022 R08: > 00000000ffffffff R09: 0000000000000000 > Jul 13 06:48:19 workstation kernel: R10: 0000000000000022 R11: > 0000000000000246 R12: 0000000000000020 > Jul 13 06:48:19 workstation kernel: R13: 00007f08a9996d30 R14: > 0000000000004000 R15 > : 0000000000000000 > Jul 13 06:48:19 workstation kernel: </TASK> > Jul 13 06:48:19 workstation kernel: Modules linked in: snd_seq_dummy > snd_hrtimer snd_seq snd_seq_device rfkill qrtr binfmt_misc uas usb_storage > iTCO_wdt intel_pmc_bxt iTCO_vendor_support watchdog snd_hda_codec_hdmi > coretemp kvm_intel kvm snd_hda_intel irqbypass sha512_ssse3 snd_intel_dspcfg > sha256_ssse3 sr_mod cdrom sha1_ssse3 i2c_i801 acpi_cpufreq pcspkr > snd_intel_sdw_acpi i2c_smbus serio_raw snd_h> > Jul 13 06:48:19 workstation kernel: drm_kms_helper ahci libahci uhci_hcd > libata drm ehci_pci ehci_hcd scsi_mod usbcore cec psmouse rc_core scsi_common > crc16 usb_common > Jul 13 06:48:19 workstation kernel: CR2: 00007f089d349008 > Jul 13 06:48:19 workstation kernel: ---[ end trace 0000000000000000 ]--- > Jul 13 06:48:19 workstation kernel: RIP: 0010:mas_leaf_max_gap+0x62/0x240 > Jul 13 06:48:19 workstation kernel: Code: 84 00 00 00 00 00 66 66 2e 0f 1f 84 > 00 00 00 00 00 0f 1f 80 00 00 00 00 48 39 d1 48 0f 42 ca 48 83 c0 08 31 d > 2 48 39 c6 74 13 <48> 83 38 00 75 e8 48 83 c0 08 48 83 c2 01 48 39 c6 75 ed > 48 39 d1 > Jul 13 06:48:19 workstation kernel: RSP: 0018:ffffb828c9ec3720 EFLAGS: > 00010246 > Jul 13 06:48:19 workstation kernel: RAX: 00007f089d349008 RBX: > ffff8b4680dada0e RCX: 0000000000000000 > Jul 13 06:48:19 workstation kernel: RDX: 0000000000000000 RSI: > 00007f089d349100 RDI: ffffb828c9ec3940 > Jul 13 06:48:19 workstation kernel: RBP: ffffb828c9ec3940 R08: > ffff8b47af856d10 R09: ffffb828c9ec3940 > Jul 13 06:48:19 workstation kernel: R10: ffff8b4668633ca0 R11: > 0000000000000009 R12: 0000000000000000 > Jul 13 06:48:19 workstation kernel: R13: ffffb828c9ec37c8 R14: > 0000000000000001 R15: 0000000000000000 > Jul 13 06:48:19 workstation kernel: FS: 00007f08948be6c0(0000) > GS:ffff8b492fc80000(0000) knlGS:0000000000000000 > Jul 13 06:48:19 workstation kernel: CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Jul 13 06:48:19 workstation kernel: CR2: 00007f089d349008 CR3: > 00000001df494000 CR4: 00000000000426f0 > Jul 13 06:48:2 > 6 workstation systemd[1791]: Started > app-firefox\[email protected] - Firefox ESR - > Web Browser. Is this something which still reproduces with 6.12.38 in trixie? Regards, Salvatore

