Hello CKI reported one new issue with the latest linux-block/for-next, pls help check it, thanks. linux-block.git@for-next commit: 99bd489eac97 [ 4407.784047] Running test [R:13334567 T:10 - Storage - block - storage fio numa - Kernel: 6.2.0-rc6] [ 4509.133240] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 4509.133654] #PF: supervisor read access in kernel mode [ 4509.133930] #PF: error_code(0x0000) - not-present page [ 4509.134206] PGD 0 P4D 0 [ 4509.134373] Oops: 0000 [#1] PREEMPT SMP PTI [ 4509.134579] CPU: 2 PID: 965 Comm: auditd Tainted: G I 6.2.0-rc6 #1 [ 4509.135384] Hardware name: HP ProLiant DL360p Gen8, BIOS P71 05/24/2019 [ 4509.135758] RIP: 0010:blkg_free+0xa/0xe0 [ 4509.135983] Code: cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 fd 53 <48> 8b 07 31 db 48 8d b8 b8 02 00 00 e8 b5 de 7e 00 48 8b bc 1d d0 [ 4509.137791] RSP: 0018:ffffb5a64507bad0 EFLAGS: 00010002 [ 4509.138107] RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000 [ 4509.139024] RDX: ffff9e298c71d100 RSI: ffff9e2cc3028800 RDI: 0000000000000000 [ 4509.139893] RBP: 0000000000000000 R08: ffff9e2cf282fb88 R09: ffff9e2cd2f252d0 [ 4509.140709] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9e2cc3028800 [ 4509.141591] R13: ffff9e2cc7712a00 R14: ffff9e2cc4f66800 R15: ffff9e2cc3028800 [ 4509.142382] FS: 00007f39005656c0(0000) GS:ffff9e2caf680000(0000) knlGS:0000000000000000 [ 4509.142687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4509.143718] CR2: 0000000000000000 CR3: 000000010fcda005 CR4: 00000000000606e0 [ 4509.144551] Call Trace: [ 4509.144739] <TASK> [ 4509.145286] blkg_create+0x2d/0x350 [ 4509.145873] bio_associate_blkg_from_css+0x1fc/0x330 [ 4509.146168] iomap_do_writepage+0x346/0x800 [ 4509.146424] ? _raw_spin_unlock_irqrestore+0x23/0x40 [ 4509.146708] write_cache_pages+0x172/0x4a0 [ 4509.146929] ? __pfx_iomap_do_writepage+0x10/0x10 [ 4509.147565] iomap_writepages+0x1c/0x40 [ 4509.147825] xfs_vm_writepages+0x6b/0xa0 [xfs] [ 4509.148851] do_writepages+0xb0/0x1b0 [ 4509.149077] ? _raw_spin_unlock+0x15/0x30 [ 4509.149330] ? inode_prepare_wbs_switch+0x6c/0x90 [ 4509.150004] filemap_fdatawrite_wbc+0x5f/0x80 [ 4509.150788] __filemap_fdatawrite_range+0x4a/0x60 [ 4509.151558] file_write_and_wait_range+0x46/0xb0 [ 4509.152268] xfs_file_fsync+0x4c/0x220 [xfs] [ 4509.153315] ? syscall_trace_enter.isra.0+0x13f/0x1c0 [ 4509.153622] __x64_sys_fsync+0x37/0x60 [ 4509.153844] do_syscall_64+0x5b/0x80 [ 4509.154059] ? do_syscall_64+0x67/0x80 [ 4509.154296] ? __irq_e[ 4509.242631] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 4509.254719] RIP: 0033:0x7f3900bcffac [ 4509.254976] Code: 0f 05 48 3d 00 f0 ff ff 77 3c c3 0f 1f 00 55 48 89 e5 48 83 ec 10 89 7d fc e8 30 0e f8 ff 8b 7d fc 89 c2 b8 4a 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 2c 89 d7 89 45 fc e8 92 0e f8 ff 8b 45 fc c9 [ 4509.256302] RSP: 002b:00007f3900564cc0 EFLAGS: 00000293 ORIG_RAX: 000000000000004a [ 4509.257080] RAX: ffffffffffffffda RBX: 0000562496b76120 RCX: 00007f3900bcffac [ 4509.257880] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 4509.258653] RBP: 00007f3900564cd0 R08: 0000000000000000 R09: 0000562496b76108 [ 4509.259411] R10: 0000000000000000 R11: 0000000000000293 R12: 0000562496b760e0 [ 4509.260171] R13: ffffffffffffff88 R14: 0000000000000002 R15: 00007ffcfba66bb0 [ 4509.260964] </TASK> [ 4509.261107] Modules linked in: rfkill intel_rapl_msr intel_rapl_common sb_edac sunrpc x86_pkg_temp_thermal intel_powercleter dca fuse loop zram xfs crct10dif_pclmul crc32_pclmul crc32c_intel polyval_c2_ssse3 serio_raw hpsa mgag200 hpwdt scsi_transport_sas [last unloaded: scsi_debug] [ 4509.763301] CR2: 0000000000000000 [ 4509.763858] ---[ end trace 0000000000000000 ]--- [ 4509.765833] pstore: backend (erst) writing error (-28) [ 4509.766151] RIP: 0010:blkg_free+0xa/0xe0 [ 4509.766382] Code: cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 44 00 00 55 48 89 fd 53 <48> 8b 07 31 db 48 8d b8 b8 02 00 00 e8 b5 de 7e 00 48 8b bc 1d d0 [ 4509.767698] RSP: 0018:ffffb5a64507bad0 EFLAGS: 00010002 [ 4509.767985] RAX: 0000000000000003 RBX: 0000000000000000 RCX: 0000000000000000 [ 4509.768759] RDX: ffff9e298c71d100 RSI: ffff9e2cc3028800 RDI: 0000000000000000 [ 4509.769509] RBP: 0000000000000000 R08: ffff9e2cf282fb88 R09: ffff9e2cd2f252d0 [ 4509.770283] R10: 0000000000000000 R11: 0000000000000000 R12: ffff9e2cc3028800 [ 4509.771041] R13: ffff9e2cc7712a00 R14: ffff9e2cc4f66800 R15: ffff9e2cc3028800 [ 4509.771840] FS: 00007f39005656c0(0000) GS:ffff9e2caf680000(0000) knlGS:0000000000000000 [ 4509.772348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4509.773045] CR2: 0000000000000000 CR3: 000000010fcda005 CR4: 00000000000606e0 [ 4509.773820] Kernel panic - not syncing: Fatal exception [ 4509.776266] Kernel Offset: 0x37000000 from 0xffffffff81000000 (relocation r -- Best Regards, Yi Zhang
