Hello, found a kernel panic issue on blktests nbd/003, please help check repo:https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git branch: master commit HEAD:c442a42363b2ce5c3eb2b0ff1e052ee956f0a29f [ 2519.746767] run blktests nbd/003 at 2024-03-15 18:22:55 [ 2519.838846] block nbd0: shutting down sockets [ 2519.843319] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x1000 phys_seg 1 prio class 0 [ 2519.851806] EXT4-fs (nbd0): unable to read superblock [ 2519.851854] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 2519.865085] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2519.871980] Buffer I/O error on dev nbd0, logical block 1, async page read [ 2519.878873] Buffer I/O error on dev nbd0, logical block 2, async page read [ 2519.885770] Buffer I/O error on dev nbd0, logical block 3, async page read [ 2519.897012] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 2519.905219] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2519.912121] Buffer I/O error on dev nbd0, logical block 1, async page read [ 2519.919012] Buffer I/O error on dev nbd0, logical block 2, async page read [ 2519.925898] Buffer I/O error on dev nbd0, logical block 3, async page read [ 2519.932862] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 2519.941066] Buffer I/O error on dev nbd0, logical block 0, async page read [ 2519.947961] Buffer I/O error on dev nbd0, logical block 1, async page read [ 2519.954902] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2519.963111] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 2519.963549] slab kmalloc-2k start ffff892d516dc000 pointer offset 1224 size 2048 [ 2519.971379] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 2519.978820] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2519.978827] #PF: supervisor instruction fetch in kernel mode [ 2519.987049] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 2519.993955] #PF: error_code(0x0010) - not-present page [ 2519.993963] PGD 12e8f5067 P4D 12e8f5067 PUD 12e8f6067 PMD 0 [ 2519.999692] I/O error, dev nbd0, sector 2 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0 [ 2520.007806] Oops: 0010 [#1] PREEMPT SMP NOPTI [ 2520.007817] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.8.0+ #1 [ 2520.012986] nbd0: unable to read partition table [ 2520.018622] Hardware name: Dell Inc. PowerEdge R640/0X45NX, BIOS 2.19.1 06/04/2023 [ 2520.018627] RIP: 0010:0x0 [ 2520.018641] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 2520.018646] RSP: 0018:ffffae5b80758ee0 EFLAGS: 00010296 [ 2520.027281] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 4 prio class 0 [ 2520.031179] [ 2520.031184] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 [ 2520.031189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff892d516dc4c8 [ 2520.031193] RBP: ffff8930afab5fc0 R08: 0000000000000002 R09: 0000000000000835 [ 2520.031197] R10: 0000000062616c73 R11: 00000000616c7320 R12: ffff892d432ec180 [ 2520.043947] nbd0: unable to read partition table [ 2520.049386] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8930afab6038 [ 2520.049392] FS: 0000000000000000(0000) GS:ffff8930afa80000(0000) knlGS:0000000000000000 [ 2520.049397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2520.049402] CR2: ffffffffffffffd6 CR3: 0000000162934001 CR4: 00000000007706f0 [ 2520.049407] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2520.052555] nbd0: unable to read partition table [ 2520.058557] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2520.058562] PKRU: 55555554 [ 2520.058565] Call Trace: [ 2520.058568] <IRQ> [ 2520.058573] ? __die+0x20/0x70 [ 2520.063867] EXT4-fs (nbd0): unable to read superblock [ 2520.071973] ? page_fault_oops+0x75/0x170 [ 2520.071990] ? exc_page_fault+0x64/0x150 [ 2520.072001] ? asm_exc_page_fault+0x22/0x30 [ 2520.074038] nbd0: unable to read partition table [ 2520.080637] rcu_do_batch+0x1a7/0x530 [ 2520.090467] nbd0: unable to read partition table [ 2520.094920] rcu_core+0x26a/0x420 [ 2520.094934] __do_softirq+0xc7/0x2a5 [ 2520.102123] EXT4-fs (nbd0): unable to read superblock [ 2520.106772] irq_exit_rcu+0xa4/0xc0 [ 2520.106787] sysvec_apic_timer_interrupt+0x72/0x90 [ 2520.107187] nbd0: unable to read partition table [ 2520.108301] nbd0: unable to read partition table [ 2520.115021] nbd0: unable to read partition table [ 2520.122019] </IRQ> [ 2520.122025] <TASK> [ 2520.122030] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 2520.127798] nbd0: partition table beyond EOD, [ 2520.134910] RIP: 0010:intel_idle_irq+0x57/0xa0 [ 2520.134924] Code: f0 31 d2 48 89 d1 65 48 8b 05 a5 50 73 67 0f 01 c8 48 8b 00 a8 08 75 13 66 90 0f 00 2d 7e 2f 43 00 31 c9 48 89 f0 fb 0f 01 c9 <fa> 65 48 8b 05 80 50 73 67 f0 80 60 02 df f0 83 44 24 fc 00 48 8b [ 2520.142069] truncated [ 2520.146766] RSP: 0018:ffffae5b8030fe78 EFLAGS: 00000246 [ 2520.146775] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 2520.146782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8930afabffa0 [ 2520.153945] mount_clear_soc: attempt to access beyond end of device [ 2520.153945] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.156628] RBP: ffff8930afabffa0 R08: 0000000000000001 R09: 0000000000000014 [ 2520.156635] R10: 0000000000000174 R11: ffff8930afab34e4 R12: ffffffff998bbee0 [ 2520.156640] R13: ffffffff998bbf60 R14: 0000000000000001 R15: 0000000000000000 [ 2520.159101] EXT4-fs (nbd0): unable to read superblock [ 2520.161115] cpuidle_enter_state+0x7d/0x410 [ 2520.161127] cpuidle_enter+0x29/0x40 [ 2520.164861] mount_clear_soc: attempt to access beyond end of device [ 2520.164861] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.169239] cpuidle_idle_call+0xf8/0x160 [ 2520.173283] EXT4-fs (nbd0): unable to read superblock [ 2520.177188] do_idle+0x7a/0xe0 [ 2520.177198] cpu_startup_entry+0x25/0x30 [ 2520.182171] mount_clear_soc: attempt to access beyond end of device [ 2520.182171] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.186089] start_secondary+0x115/0x140 [ 2520.186103] common_startup_64+0x13e/0x141 [ 2520.189784] EXT4-fs (nbd0): unable to read superblock [ 2520.194483] </TASK> [ 2520.194488] Modules linked in: nbd [ 2520.198640] mount_clear_soc: attempt to access beyond end of device [ 2520.198640] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.201392] null_blk loop ext4 mbcache jbd2 tls rpcsec_gss_krb5 auth_rpcgss [ 2520.206473] EXT4-fs (nbd0): unable to read superblock [ 2520.209955] nfsv4 dns_resolver nfs lockd grace netfs rfkill sunrpc vfat fat dm_multipath [ 2520.215576] mount_clear_soc: attempt to access beyond end of device [ 2520.215576] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.219471] intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common isst_if_common skx_edac [ 2520.224205] EXT4-fs (nbd0): unable to read superblock [ 2520.228898] nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp [ 2520.231796] mount_clear_soc: attempt to access beyond end of device [ 2520.231796] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.233120] kvm_intel kvm ipmi_ssif irqbypass mgag200 rapl intel_cstate iTCO_wdt i2c_algo_bit [ 2520.238295] EXT4-fs (nbd0): unable to read superblock [ 2520.242724] iTCO_vendor_support drm_shmem_helper acpi_ipmi drm_kms_helper intel_uncore ipmi_si dcdbas mei_me dell_smbios [ 2520.247897] mount_clear_soc: attempt to access beyond end of device [ 2520.247897] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.265934] i2c_i801 dell_wmi_descriptor ipmi_devintf wmi_bmof mei pcspkr lpc_ich i2c_smbus intel_pch_thermal ipmi_msghandler [ 2520.268238] EXT4-fs (nbd0): unable to read superblock [ 2520.273456] acpi_power_meter drm fuse xfs libcrc32c sd_mod sg ahci crct10dif_pclmul nvme [ 2520.281379] mount_clear_soc: attempt to access beyond end of device [ 2520.281379] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.287738] libahci bnxt_en crc32_pclmul crc32c_intel nvme_core libata tg3 ghash_clmulni_intel megaraid_sas t10_pi wmi [ 2520.299593] EXT4-fs (nbd0): unable to read superblock [ 2520.306708] dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_debug] [ 2520.306721] CR2: 0000000000000000 [ 2520.306726] ---[ end trace 0000000000000000 ]--- [ 2520.314657] mount_clear_soc: attempt to access beyond end of device [ 2520.314657] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.331320] RIP: 0010:0x0 [ 2520.334983] EXT4-fs (nbd0): unable to read superblock [ 2520.339155] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 2520.339161] RSP: 0018:ffffae5b80758ee0 EFLAGS: 00010296 [ 2520.339168] RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000000 [ 2520.339173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff892d516dc4c8 [ 2520.343697] mount_clear_soc: attempt to access beyond end of device [ 2520.343697] nbd0: rw=4096, sector=2, nr_sectors = 2 limit=0 [ 2520.354564] RBP: ffff8930afab5fc0 R08: 0000000000000002 R09: 0000000000000835 [ 2520.354570] R10: 0000000062616c73 R11: 00000000616c7320 R12: ffff892d432ec180 [ 2520.354574] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8930afab6038 [ 2520.354578] FS: 0000000000000000(0000) GS:ffff8930afa80000(0000) knlGS:0000000000000000 [ 2520.354583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2520.358612] EXT4-fs (nbd0): unable to read superblock [ 2520.363648] CR2: ffffffffffffffd6 CR3: 0000000162934001 CR4: 00000000007706f0 [ 2520.363655] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2520.363659] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2520.363663] PKRU: 55555554 [ 2520.363666] Kernel panic - not syncing: Fatal exception in interrupt [ 2520.366747] Kernel Offset: 0x16c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 2520.733124] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]--- Thanks,
