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charset="UTF-8" X-Rspamd-Queue-Id: 351C8140019 X-Rspam-User: X-Stat-Signature: oo59c5t68efaxdytnu5ictcbwus6h1m3 X-Rspamd-Server: rspam03 X-HE-Tag: 1698407251-376608 X-HE-Meta: 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 4XCaFMEB ZQRWlS7IT2HlvupSXD6QDYV5TQ8J+IhDekpz0dDGKoK6dxGHfBQ1L3DAQ0eZHBVyDow9koODZwzYDJTVTyTOp3J6R+ebz5Ijn5YpIIrSsdOUhe3hnHFiKcbk0n/gTsEJc4xfipdAtgfRYHhv0UC1Vg7i4xwiS51VpYYZLnSQCQWfBIkB6c9cs2by7+Sv6UNVpoYIkJvf+iD30Ufpd9z9I6OzpNgvgTzJ/n8x7tEgsRqk0Q9PEJVDV6KEE2KbimXCCJiVk091tOfQfledhrrnZhnOM3qODaZte3agN5w3jGhPqTPnL0MCja+1MpKjQxiHT09Jt5FieZL/GkX/rPq1seg1p1Kvo/ySWDbBLgTYQPjmwF4i4JjHR7SLJFw7oGzRY779g+vtS2WULgdpwwHBS0McuFhFUdh73F1U1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Following kernel crash noticed on x86_64 while running selftests ftracetests running 6.6.0-rc7-next-20231026. Reported-by: Linux Kernel Functional Testing log: ----- # ok 44 ftrace - test for function traceon/off triggers # ok 45 ftrace - test tracing error log support # ok 46 Test creation and deletion of trace instances while setting an event [ 1402.419605] BUG: kernel NULL pointer dereference, address: 0000000000000097 [ 1402.426574] #PF: supervisor read access in kernel mode [ 1402.431715] #PF: error_code(0x0000) - not-present page [ 1402.436852] PGD 0 P4D 0 [ 1402.439393] Oops: 0000 [#1] PREEMPT SMP PTI [ 1402.443578] CPU: 0 PID: 18196 Comm: ls Not tainted 6.6.0-rc7-next-20231026 #1 [ 1402.450711] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021 [ 1402.458102] RIP: 0010:__lock_acquire (kernel/locking/lockdep.c:5005) [ 1402.462722] Code: 4d d4 53 45 85 f6 0f 84 a5 06 00 00 44 8b 2d 8d c2 bf 02 45 89 c2 49 89 fb 89 f3 41 89 d6 45 89 c8 45 85 ed 0f 84 ca 02 00 00 <48> 81 3f c0 2b f1 af 44 0f 44 d0 83 fb 01 0f 86 c2 02 00 00 31 d2 All code ======== 0: 4d d4 rex.WRB (bad) 2: 53 push %rbx 3: 45 85 f6 test %r14d,%r14d 6: 0f 84 a5 06 00 00 je 0x6b1 c: 44 8b 2d 8d c2 bf 02 mov 0x2bfc28d(%rip),%r13d # 0x2bfc2a0 13: 45 89 c2 mov %r8d,%r10d 16: 49 89 fb mov %rdi,%r11 19: 89 f3 mov %esi,%ebx 1b: 41 89 d6 mov %edx,%r14d 1e: 45 89 c8 mov %r9d,%r8d 21: 45 85 ed test %r13d,%r13d 24: 0f 84 ca 02 00 00 je 0x2f4 2a:* 48 81 3f c0 2b f1 af cmpq $0xffffffffaff12bc0,(%rdi) <-- trapping instruction 31: 44 0f 44 d0 cmove %eax,%r10d 35: 83 fb 01 cmp $0x1,%ebx 38: 0f 86 c2 02 00 00 jbe 0x300 3e: 31 d2 xor %edx,%edx Code starting with the faulting instruction =========================================== 0: 48 81 3f c0 2b f1 af cmpq $0xffffffffaff12bc0,(%rdi) 7: 44 0f 44 d0 cmove %eax,%r10d b: 83 fb 01 cmp $0x1,%ebx e: 0f 86 c2 02 00 00 jbe 0x2d6 14: 31 d2 xor %edx,%edx [ 1402.481497] RSP: 0018:ffff9b3041327998 EFLAGS: 00010002 [ 1402.486719] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1402.493843] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000097 [ 1402.500967] RBP: ffff9b3041327a38 R08: 0000000000000000 R09: 0000000000000000 [ 1402.508092] R10: 0000000000000001 R11: 0000000000000097 R12: ffff8de420f38040 [ 1402.515225] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 1402.522348] FS: 00007f52d72a1d00(0000) GS:ffff8de767a00000(0000) knlGS:0000000000000000 [ 1402.530438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1402.536224] CR2: 0000000000000097 CR3: 000000012201e005 CR4: 00000000003706f0 [ 1402.543354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1402.550479] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1402.557602] Call Trace: [ 1402.560049] [ 1402.562153] ? show_regs (arch/x86/kernel/dumpstack.c:479) [ 1402.565559] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 1402.568611] ? page_fault_oops (arch/x86/mm/fault.c:707) [ 1402.572711] ? __lock_acquire (kernel/locking/lockdep.c:186 kernel/locking/lockdep.c:3872 kernel/locking/lockdep.c:5136) [ 1402.576811] ? do_user_addr_fault (arch/x86/mm/fault.c:1264) [ 1402.581170] ? exc_page_fault (arch/x86/include/asm/irqflags.h:26 arch/x86/include/asm/irqflags.h:67 arch/x86/include/asm/irqflags.h:127 arch/x86/mm/fault.c:1513 arch/x86/mm/fault.c:1561) [ 1402.585094] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:570) [ 1402.589283] ? __lock_acquire (kernel/locking/lockdep.c:5005) [ 1402.593296] ? lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5755 (discriminator 4) kernel/locking/lockdep.c:5718 (discriminator 4)) [ 1402.597045] ? create_dir_dentry.part.0 (fs/tracefs/event_inode.c:357 (discriminator 1)) [ 1402.601928] lock_acquire (kernel/locking/lockdep.c:467 (discriminator 4) kernel/locking/lockdep.c:5755 (discriminator 4) kernel/locking/lockdep.c:5718 (discriminator 4)) [ 1402.605503] ? d_invalidate (fs/dcache.c:1725 (discriminator 1)) [ 1402.609170] ? lock_release (kernel/locking/lockdep.c:5429 kernel/locking/lockdep.c:5773) [ 1402.612923] ? create_dir_dentry.part.0 (fs/tracefs/event_inode.c:387) [ 1402.617803] _raw_spin_lock (include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154) [ 1402.621467] ? d_invalidate (fs/dcache.c:1725 (discriminator 1)) [ 1402.625126] d_invalidate (fs/dcache.c:1725 (discriminator 1)) [ 1402.628619] create_dir_dentry.part.0 (fs/tracefs/event_inode.c:390) [ 1402.633324] dcache_dir_open_wrapper (fs/tracefs/event_inode.c:586) [ 1402.637945] ? __pfx_dcache_dir_open_wrapper (fs/tracefs/event_inode.c:536) [ 1402.643081] do_dentry_open (fs/open.c:948) [ 1402.646924] vfs_open (fs/open.c:1083) [ 1402.650069] path_openat (fs/namei.c:3623 fs/namei.c:3779) [ 1402.653648] do_filp_open (fs/namei.c:3810 (discriminator 2)) [ 1402.657233] do_sys_openat2 (fs/open.c:1441 (discriminator 1)) [ 1402.660911] __x64_sys_openat (fs/open.c:1466) [ 1402.664749] do_syscall_64 (arch/x86/entry/common.c:51 arch/x86/entry/common.c:82) [ 1402.668328] ? syscall_exit_to_user_mode (kernel/entry/common.c:299) [ 1402.673120] ? do_syscall_64 (arch/x86/entry/common.c:101) [ 1402.676864] ? do_syscall_64 (arch/x86/entry/common.c:101) [ 1402.680607] ? do_syscall_64 (arch/x86/entry/common.c:101) [ 1402.684352] ? syscall_exit_to_user_mode (kernel/entry/common.c:299) [ 1402.689136] ? do_syscall_64 (arch/x86/entry/common.c:101) [ 1402.692880] ? syscall_exit_to_user_mode (kernel/entry/common.c:299) [ 1402.697666] ? do_syscall_64 (arch/x86/entry/common.c:101) [ 1402.701440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129) [ 1402.706512] RIP: 0033:0x7f52d7439df1 [ 1402.710082] Code: 44 24 18 31 c0 41 83 e2 40 75 3e 89 f0 25 00 00 41 00 3d 00 00 41 00 74 30 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 3f 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 All code ======== 0: 44 24 18 rex.R and $0x18,%al 3: 31 c0 xor %eax,%eax 5: 41 83 e2 40 and $0x40,%r10d 9: 75 3e jne 0x49 b: 89 f0 mov %esi,%eax d: 25 00 00 41 00 and $0x410000,%eax 12: 3d 00 00 41 00 cmp $0x410000,%eax 17: 74 30 je 0x49 19: 89 f2 mov %esi,%edx 1b: b8 01 01 00 00 mov $0x101,%eax 20: 48 89 fe mov %rdi,%rsi 23: bf 9c ff ff ff mov $0xffffff9c,%edi 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 3f ja 0x71 32: 48 8b 54 24 18 mov 0x18(%rsp),%rdx 37: 64 48 2b 14 25 28 00 sub %fs:0x28,%rdx 3e: 00 00 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 3f ja 0x47 8: 48 8b 54 24 18 mov 0x18(%rsp),%rdx d: 64 48 2b 14 25 28 00 sub %fs:0x28,%rdx 14: 00 00 [ 1402.728821] RSP: 002b:00007fff2270ba90 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 [ 1402.736388] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52d7439df1 [ 1402.743520] RDX: 0000000000090800 RSI: 0000558fb3992090 RDI: 00000000ffffff9c [ 1402.750651] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000558fb3992250 [ 1402.757775] R10: 0000000000000000 R11: 0000000000000287 R12: 00007f52d72a1b98 [ 1402.764900] R13: 00007fff2270bee0 R14: 0000558fb3992090 R15: 0000558fb28aafc8 [ 1402.772027] [ 1402.774216] Modules linked in: x86_pkg_temp_thermal fuse configfs [last unloaded: trace_printk] [ 1402.782908] CR2: 0000000000000097 [ 1402.786220] ---[ end trace 0000000000000000 ]--- [ 1402.790839] RIP: 0010:__lock_acquire (kernel/locking/lockdep.c:5005) [ 1402.795468] Code: 4d d4 53 45 85 f6 0f 84 a5 06 00 00 44 8b 2d 8d c2 bf 02 45 89 c2 49 89 fb 89 f3 41 89 d6 45 89 c8 45 85 ed 0f 84 ca 02 00 00 <48> 81 3f c0 2b f1 af 44 0f 44 d0 83 fb 01 0f 86 c2 02 00 00 31 d2 All code ======== 0: 4d d4 rex.WRB (bad) 2: 53 push %rbx 3: 45 85 f6 test %r14d,%r14d 6: 0f 84 a5 06 00 00 je 0x6b1 c: 44 8b 2d 8d c2 bf 02 mov 0x2bfc28d(%rip),%r13d # 0x2bfc2a0 13: 45 89 c2 mov %r8d,%r10d 16: 49 89 fb mov %rdi,%r11 19: 89 f3 mov %esi,%ebx 1b: 41 89 d6 mov %edx,%r14d 1e: 45 89 c8 mov %r9d,%r8d 21: 45 85 ed test %r13d,%r13d 24: 0f 84 ca 02 00 00 je 0x2f4 2a:* 48 81 3f c0 2b f1 af cmpq $0xffffffffaff12bc0,(%rdi) <-- trapping instruction 31: 44 0f 44 d0 cmove %eax,%r10d 35: 83 fb 01 cmp $0x1,%ebx 38: 0f 86 c2 02 00 00 jbe 0x300 3e: 31 d2 xor %edx,%edx Code starting with the faulting instruction =========================================== 0: 48 81 3f c0 2b f1 af cmpq $0xffffffffaff12bc0,(%rdi) 7: 44 0f 44 d0 cmove %eax,%r10d b: 83 fb 01 cmp $0x1,%ebx e: 0f 86 c2 02 00 00 jbe 0x2d6 14: 31 d2 xor %edx,%edx [ 1402.814213] RSP: 0018:ffff9b3041327998 EFLAGS: 00010002 [ 1402.819439] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1402.826587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000097 [ 1402.833711] RBP: ffff9b3041327a38 R08: 0000000000000000 R09: 0000000000000000 [ 1402.840836] R10: 0000000000000001 R11: 0000000000000097 R12: ffff8de420f38040 [ 1402.847959] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 1402.855083] FS: 00007f52d72a1d00(0000) GS:ffff8de767a00000(0000) knlGS:0000000000000000 [ 1402.863161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1402.868897] CR2: 0000000000000097 CR3: 000000012201e005 CR4: 00000000003706f0 [ 1402.876023] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1402.883154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1402.890280] Kernel panic - not syncing: Fatal exception [ 1402.895543] Kernel Offset: 0x2b000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1402.906322] ---[ end Kernel panic - not syncing: Fatal exception ]--- Links: - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231026/testrun/20823466/suite/log-parser-test/tests/ - https://lkft.validation.linaro.org/scheduler/job/6974183#L5240 metadata: git_ref: master git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git_sha: 2ef7141596eed0b4b45ef18b3626f428a6b0a822 git_describe: next-20231026 kernel-config: https://storage.tuxsuite.com/public/linaro/lkft/builds/2XHt24sNSdog7DYY3FLKFZpZmjG/config artifact-location: https://storage.tuxsuite.com/public/linaro/lkft/builds/2XHt24sNSdog7DYY3FLKFZpZmjG/ toolchain: gcc-13 -- Linaro LKFT https://lkft.linaro.org