On Wed, May 24, 2023 at 11:13:57AM +0200, David Sterba wrote: > This looks like a different set of problems, though all of them seem to > start on the compression write path in btrfs. > > On Wed, May 24, 2023 at 07:57:19AM +0200, Forza wrote: > > [ 8.641506] 8021q: adding VLAN 0 to HW filter on device enp4s0 > > [ 13.841691] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. > > [ 13.841705] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. > > [13917.280527] ------------[ cut here ]------------ > > [13917.280753] default_enter_idle leaked IRQ state > > [13917.281004] WARNING: CPU: 3 PID: 0 at drivers/cpuidle/cpuidle.c:269 cpuidle_enter_state+0x3bb/0x430 > > Warning in cpuilde > > > [13917.281046] Modules linked in: wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel cfg80211 rfkill 8021q garp mrp stp llc binfmt_misc intel_rapl_msr intel_rapl_common kvm_amd iTCO_wdt ccp intel_pmc_bxt iTCO_vendor_support kvm i2c_i801 virtio_gpu irqbypass pcspkr virtio_dma_buf joydev i2c_smbus drm_shmem_helper lpc_ich virtio_balloon drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 virtio_console virtio_net net_failover virtio_scsi failover serio_raw virtio_blk qemu_fw_cfg > > [13917.281140] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.3.1-gentoo-mm-patched #4 > > [13917.281150] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-20220807_005459-localhost 04/01/2014 > > [13917.281154] RIP: 0010:cpuidle_enter_state+0x3bb/0x430 > > [13917.281176] RSP: 0018:ffffa153c00b7ea0 EFLAGS: 00010286 > > [13917.281182] RAX: ffff8c15ebfafa28 RBX: ffffc153bfd80900 RCX: 000000000000083f > > [13917.281186] RDX: 000000000118feed RSI: 00000000000000f6 RDI: 000000000000083f > > [13917.281189] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffa153c00b7d60 > > [13917.281193] R10: 0000000000000003 R11: ffffffffacb399e8 R12: ffffffffacc2e320 > > [13917.281196] R13: ffffffffacc2e3a0 R14: 0000000000000001 R15: 0000000000000000 > > [13917.281202] FS: 0000000000000000(0000) GS:ffff8c15ebf80000(0000) knlGS:0000000000000000 > > [13917.281206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [13917.281210] CR2: 00007f71840b39c8 CR3: 0000000102998000 CR4: 00000000003506e0 > > [13917.281217] Call Trace: > > [13917.281221] <TASK> > > [13917.281228] cpuidle_enter+0x29/0x40 > > [13917.281244] do_idle+0x19b/0x200 > > [13917.281292] cpu_startup_entry+0x19/0x20 > > [13917.281297] start_secondary+0x101/0x120 > > [13917.281324] secondary_startup_64_no_verify+0xe5/0xeb > > [13917.281343] </TASK> > > [13917.281346] ---[ end trace 0000000000000000 ]--- > > [17206.750165] BTRFS info (device vdb): using xxhash64 (xxhash64-generic) checksum algorithm > > [17206.750190] BTRFS info (device vdb): using free space tree > > [17206.904010] BTRFS info (device vdb): auto enabling async discard > > [17206.933302] BTRFS info (device vdb): checking UUID tree > > [17344.541839] sched: RT throttling activated > > [18284.216538] hrtimer: interrupt took 23434934 ns > > [18737.100477] BUG: unable to handle page fault for address: 0000000079e0afc0 > > BUG > > > [18737.100883] #PF: supervisor read access in kernel mode > > [18737.101155] #PF: error_code(0x0000) - not-present page > > [18737.101462] PGD 0 P4D 0 > > [18737.101715] Oops: 0000 [#1] PREEMPT SMP NOPTI > > [18737.101968] CPU: 1 PID: 25287 Comm: kworker/u8:7 Tainted: G W 6.3.1-gentoo-mm-patched #4 > > [18737.102391] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-20220807_005459-localhost 04/01/2014 > > [18737.102860] Workqueue: btrfs-delalloc btrfs_work_helper > > [18737.103346] RIP: 0010:find_free_extent+0x20a/0x15c0 > > [18737.103900] Code: 4d 8d ba 10 ff ff ff 48 83 c0 0f 49 8d 97 f0 00 00 00 48 c1 e0 04 48 01 d8 48 39 c2 0f 84 c5 03 00 00 41 c6 85 84 00 00 00 00 <45> 8b 9f b0 00 00 00 45 85 db 0f 85 d8 0c 00 00 45 8b 75 28 4c 89 > > [18737.104851] RSP: 0018:ffffa153c0923bd0 EFLAGS: 00010203 > > [18737.105456] RAX: ffff8c14869240f0 RBX: ffff8c1486924000 RCX: 0000000000000001 > > [18737.106044] RDX: 0000000079e0b000 RSI: 0000000000000100 RDI: ffff8c14869bcc00 > > [18737.106519] RBP: ffff8c148b100000 R08: 0000000000000000 R09: 0000000000000000 > > [18737.107036] R10: 0000000079e0b000 R11: 000000000000151b R12: ffffa153c0923dd7 > > [18737.107363] R13: ffffa153c0923c90 R14: 0000000000000001 R15: 0000000079e0af10 > > [18737.107676] FS: 0000000000000000(0000) GS:ffff8c15ebe80000(0000) knlGS:0000000000000000 > > [18737.107971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [18737.108260] CR2: 0000000079e0afc0 CR3: 00000001055e8000 CR4: 00000000003506e0 > > [18737.108606] Call Trace: > > [18737.108964] <TASK> > > [18737.109273] btrfs_reserve_extent+0x148/0x260 > > [18737.109601] submit_compressed_extents+0x14f/0x490 > > [18737.109934] async_cow_submit+0x37/0x90 > > [18737.110237] btrfs_work_helper+0x13d/0x360 > > [18737.110542] process_one_work+0x20f/0x410 > > [18737.110883] worker_thread+0x4a/0x3b0 > > [18737.111185] ? __pfx_worker_thread+0x10/0x10 > > [18737.111482] kthread+0xda/0x100 > > [18737.111800] ? __pfx_kthread+0x10/0x10 > > [18737.112097] ret_from_fork+0x2c/0x50 > > [18737.112387] </TASK> > > [18737.112676] Modules linked in: wireguard curve25519_x86_64 libcurve25519_generic ip6_udp_tunnel udp_tunnel cfg80211 rfkill 8021q garp mrp stp llc binfmt_misc intel_rapl_msr intel_rapl_common kvm_amd iTCO_wdt ccp intel_pmc_bxt iTCO_vendor_support kvm i2c_i801 virtio_gpu irqbypass pcspkr virtio_dma_buf joydev i2c_smbus drm_shmem_helper lpc_ich virtio_balloon drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 virtio_console virtio_net net_failover virtio_scsi failover serio_raw virtio_blk qemu_fw_cfg > > [18737.114021] CR2: 0000000079e0afc0 > > [18737.114366] ---[ end trace 0000000000000000 ]--- > > [18737.114712] RIP: 0010:find_free_extent+0x20a/0x15c0 > > [18737.115059] Code: 4d 8d ba 10 ff ff ff 48 83 c0 0f 49 8d 97 f0 00 00 00 48 c1 e0 04 48 01 d8 48 39 c2 0f 84 c5 03 00 00 41 c6 85 84 00 00 00 00 <45> 8b 9f b0 00 00 00 45 85 db 0f 85 d8 0c 00 00 45 8b 75 28 4c 89 > > [18737.115864] RSP: 0018:ffffa153c0923bd0 EFLAGS: 00010203 > > [18737.116415] RAX: ffff8c14869240f0 RBX: ffff8c1486924000 RCX: 0000000000000001 > > [18737.117090] RDX: 0000000079e0b000 RSI: 0000000000000100 RDI: ffff8c14869bcc00 > > [18737.117882] RBP: ffff8c148b100000 R08: 0000000000000000 R09: 0000000000000000 > > [18737.118611] R10: 0000000079e0b000 R11: 000000000000151b R12: ffffa153c0923dd7 > > [18737.119416] R13: ffffa153c0923c90 R14: 0000000000000001 R15: 0000000079e0af10 > > [18737.120221] FS: 0000000000000000(0000) GS:ffff8c15ebe80000(0000) knlGS:0000000000000000 > > [18737.120994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > > [18737.121868] CR2: 0000000079e0afc0 CR3: 00000001055e8000 CR4: 00000000003506e0 > > [18737.122624] note: kworker/u8:7[25287] exited with irqs disabled > > [19006.920558] BUG: unable to handle page fault for address: 0000000079e0afc0 > > And again, so something is going wrong > Indeed. I suggest you run your kernel with CONFIG_KASAN=y to see if there are any use-after-free or out-of-bounds bugs. -- Uladzislau Rezki
