====================================== | [ 329.325459][ T6553] ================================================================== | [ 329.325751][ T6553] BUG: KASAN: slab-out-of-bounds in snapshot_page (mm/util.c:1353) | [ 329.325954][ T6553] Read of size 128 at addr ff11000021d8c640 by task ncdevmem/6553 | [ 329.326132][ T6553] [ 329.326197][ T6553] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 329.326199][ T6553] Call Trace: [ 329.326200][ T6553] [ 329.326202][ T6553] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 329.326207][ T6553] print_address_description.constprop.0 (mm/kasan/report.c:378) [ 329.326212][ T6553] print_report (mm/kasan/report.c:482) [ 329.326214][ T6553] ? __virt_addr_valid (./include/linux/rcupdate.h:937 ./include/linux/mmzone.h:2281 arch/x86/mm/physaddr.c:54) [ 329.326217][ T6553] ? __virt_addr_valid (./include/linux/rcupdate.h:963 (discriminator 1) ./include/linux/mmzone.h:2291 (discriminator 1) arch/x86/mm/physaddr.c:54 (discriminator 1)) [ 329.326219][ T6553] kasan_report (mm/kasan/report.c:595) [ 329.326223][ T6553] ? snapshot_page (mm/util.c:1353) [ 329.326225][ T6553] ? snapshot_page (mm/util.c:1353) [ 329.326227][ T6553] kasan_check_range (mm/kasan/generic.c:186 mm/kasan/generic.c:200) [ 329.326229][ T6553] __asan_memcpy (mm/kasan/shadow.c:105 (discriminator 1)) [ 329.326231][ T6553] snapshot_page (mm/util.c:1353) [ 329.326233][ T6553] ? fourcc_string (lib/vsprintf.c:1813 (discriminator 2)) [ 329.326237][ T6553] __dump_page (mm/debug.c:134) [ 329.326239][ T6553] ? __dump_folio (./arch/x86/include/asm/atomic.h:23) [ 329.326244][ T6553] ? net_devmem_alloc_dmabuf (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 net/core/devmem.c:107) [ 329.326247][ T6553] dump_page (mm/debug.c:146) [ 329.326249][ T6553] page_pool_set_pp_info (./include/linux/page-flags.h:1062 (discriminator 8) net/core/page_pool.c:716 (discriminator 8)) [ 329.326253][ T6553] mp_dmabuf_devmem_alloc_netmems (net/core/devmem.c:464) [ 329.326254][ T6553] ? page_pool_alloc_netmems (net/core/page_pool.c:441 net/core/page_pool.c:659) [ 329.326257][ T6553] fbnic_fill_bdq (./include/net/page_pool/helpers.h:160 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:906) [ 329.326261][ T6553] __fbnic_nv_restart (drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2470 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2874) [ 329.326264][ T6553] fbnic_queue_start (drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2903) [ 329.326266][ T6553] netdev_rx_queue_reconfig (net/core/netdev_rx_queue.c:137) [ 329.326268][ T6553] __netif_mp_open_rxq (net/core/netdev_rx_queue.c:234) [ 329.326270][ T6553] ? netdev_rx_queue_restart (net/core/netdev_rx_queue.c:184) [ 329.326272][ T6553] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 329.326276][ T6553] net_devmem_bind_dmabuf_to_queue (net/core/devmem.c:166) [ 329.326277][ T6553] ? net_devmem_unbind_dmabuf (net/core/devmem.c:152) [ 329.326280][ T6553] netdev_nl_bind_rx_doit (net/core/netdev-genl.c:1088) [ 329.326284][ T6553] ? netdev_nl_qstats_get_dumpit (./include/net/netdev_lock.h:33) [ 329.326286][ T6553] ? __nla_parse (lib/nlattr.c:732) [ 329.326290][ T6553] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2)) [ 329.326293][ T6553] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 329.326294][ T6553] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 329.326297][ T6553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 329.326300][ T6553] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 329.326303][ T6553] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 329.326305][ T6553] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 329.326306][ T6553] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 329.326308][ T6553] ? netdev_nl_qstats_get_dumpit (./include/net/netdev_lock.h:33) [ 329.326310][ T6553] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 329.326313][ T6553] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 329.326315][ T6553] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 329.326317][ T6553] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 329.326319][ T6553] ? netlink_ack (./include/linux/skbuff.h:2717) [ 329.326322][ T6553] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:333 (discriminator 2)) [ 329.326324][ T6553] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:340 (discriminator 2)) [ 329.326326][ T6553] genl_rcv (net/netlink/genetlink.c:1218) [ 329.326327][ T6553] netlink_unicast (net/netlink/af_netlink.c:1318 net/netlink/af_netlink.c:1344) [ 329.326330][ T6553] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 329.326331][ T6553] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 329.326334][ T6553] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 329.326336][ T6553] ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3)) [ 329.326339][ T6553] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 329.326342][ T6553] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 329.326344][ T6553] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 329.326346][ T6553] ? __might_fault (mm/memory.c:7324 (discriminator 5)) [ 329.326348][ T6553] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4)) [ 329.326352][ T6553] ? __ia32_sys_getpeername (net/socket.c:2219) [ 329.326353][ T6553] ? __might_fault (mm/memory.c:7324 (discriminator 5)) [ 329.326356][ T6553] ? __ia32_sys_connect (net/socket.c:2170) [ 329.326357][ T6553] ? __sys_bind (net/socket.c:1933 (discriminator 3) net/socket.c:1964 (discriminator 3)) [ 329.326361][ T6553] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268) [ 329.326362][ T6553] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 329.326365][ T6553] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 329.326366][ T6553] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 329.326368][ T6553] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 329.326370][ T6553] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 329.326372][ T6553] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 329.326373][ T6553] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 329.326376][ T6553] RIP: 0033:0x7f334e6fc0ee [ 329.326379][ T6553] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 94 bd 00 00 call 0xbd9c 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 329.326381][ T6553] RSP: 002b:00007ffd7bff00d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 329.326385][ T6553] RAX: ffffffffffffffda RBX: 00007ffd7bff0140 RCX: 00007f334e6fc0ee [ 329.326386][ T6553] RDX: 0000000000000038 RSI: 000000001b62c988 RDI: 0000000000000006 [ 329.326387][ T6553] RBP: 00007ffd7bff00e0 R08: 0000000000000000 R09: 0000000000000000 [ 329.326388][ T6553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001b62c988 [ 329.326389][ T6553] R13: 000000001b62c720 R14: 00007f334e8cd000 R15: 000000000042ee00 | [ 329.341079][ T6553] ------------[ cut here ]------------ | [ 329.341174][ T6553] kernel BUG at ./include/linux/page-flags.h:1062! | [ 329.341295][ T6553] Oops: invalid opcode: 0000 [#1] SMP KASAN | [ 329.341607][ T6553] Tainted: [B]=BAD_PAGE [ 329.341685][ T6553] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 329.341891][ T6553] RIP: 0010:page_pool_set_pp_info (./include/linux/page-flags.h:1062 (discriminator 9) net/core/page_pool.c:716 (discriminator 9)) [ 329.342013][ T6553] Code: 80 3c 11 00 0f 84 12 ff ff ff 89 04 24 e8 12 de a0 fe 8b 04 24 e9 02 ff ff ff 48 c7 c6 60 98 0d 88 48 89 df e8 6b d0 89 fe 90 <0f> 0b e8 f3 dc a0 fe e9 58 ff ff ff e8 29 dd a0 fe e9 a9 fe ff ff All code ======== 0: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) 4: 0f 84 12 ff ff ff je 0xffffffffffffff1c a: 89 04 24 mov %eax,(%rsp) d: e8 12 de a0 fe call 0xfffffffffea0de24 12: 8b 04 24 mov (%rsp),%eax 15: e9 02 ff ff ff jmp 0xffffffffffffff1c 1a: 48 c7 c6 60 98 0d 88 mov $0xffffffff880d9860,%rsi 21: 48 89 df mov %rbx,%rdi 24: e8 6b d0 89 fe call 0xfffffffffe89d094 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: e8 f3 dc a0 fe call 0xfffffffffea0dd24 31: e9 58 ff ff ff jmp 0xffffffffffffff8e 36: e8 29 dd a0 fe call 0xfffffffffea0dd64 3b: e9 a9 fe ff ff jmp 0xfffffffffffffee9 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: e8 f3 dc a0 fe call 0xfffffffffea0dcfa 7: e9 58 ff ff ff jmp 0xffffffffffffff64 c: e8 29 dd a0 fe call 0xfffffffffea0dd3a 11: e9 a9 fe ff ff jmp 0xfffffffffffffebf [ 329.342349][ T6553] RSP: 0018:ffa000000a98f368 EFLAGS: 00010286 [ 329.342467][ T6553] RAX: 0000000000000096 RBX: ff11000021d8c640 RCX: 0000000000000000 [ 329.342609][ T6553] RDX: 0000000000000096 RSI: 1ffffffff1717b44 RDI: fff3fc0001531e58 [ 329.342749][ T6553] RBP: ff11000019c6e800 R08: ffffffff853bf47a R09: 1ffffffff11bea44 [ 329.342893][ T6553] R10: 0000000000000003 R11: fffffbfff11bea45 R12: ff11000021d8c641 [ 329.343034][ T6553] R13: 000000000000006b R14: 0000000000000002 R15: 0000000000000000 [ 329.343175][ T6553] FS: 00007f334e689740(0000) GS:ff110000dacc6000(0000) knlGS:0000000000000000 [ 329.343339][ T6553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 329.343458][ T6553] CR2: 00007f6f9e373730 CR3: 0000000018883002 CR4: 0000000000771ef0 [ 329.343611][ T6553] PKRU: 55555554 [ 329.343681][ T6553] Call Trace: [ 329.343750][ T6553] [ 329.343802][ T6553] mp_dmabuf_devmem_alloc_netmems (net/core/devmem.c:464) [ 329.343918][ T6553] ? page_pool_alloc_netmems (net/core/page_pool.c:441 net/core/page_pool.c:659) [ 329.344012][ T6553] fbnic_fill_bdq (./include/net/page_pool/helpers.h:160 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:906) [ 329.344105][ T6553] __fbnic_nv_restart (drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2470 drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2874) [ 329.344203][ T6553] fbnic_queue_start (drivers/net/ethernet/meta/fbnic/fbnic_txrx.c:2903) [ 329.344295][ T6553] netdev_rx_queue_reconfig (net/core/netdev_rx_queue.c:137) [ 329.344389][ T6553] __netif_mp_open_rxq (net/core/netdev_rx_queue.c:234) [ 329.344480][ T6553] ? netdev_rx_queue_restart (net/core/netdev_rx_queue.c:184) [ 329.344576][ T6553] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 329.344669][ T6553] net_devmem_bind_dmabuf_to_queue (net/core/devmem.c:166) [ 329.344789][ T6553] ? net_devmem_unbind_dmabuf (net/core/devmem.c:152) [ 329.344881][ T6553] netdev_nl_bind_rx_doit (net/core/netdev-genl.c:1088) [ 329.344973][ T6553] ? netdev_nl_qstats_get_dumpit (./include/net/netdev_lock.h:33) [ 329.345086][ T6553] ? __nla_parse (lib/nlattr.c:732) [ 329.345179][ T6553] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:789 (discriminator 2) net/netlink/genetlink.c:944 (discriminator 2)) [ 329.345295][ T6553] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1114) [ 329.345392][ T6553] ? genl_family_rcv_msg_attrs_parse.isra.0 (./include/net/netlink.h:785 (discriminator 2)) [ 329.345507][ T6553] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 329.345604][ T6553] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 329.345696][ T6553] genl_family_rcv_msg (net/netlink/genetlink.c:1194) [ 329.345789][ T6553] ? genl_family_rcv_msg_dumpit (net/netlink/genetlink.c:1079) [ 329.345904][ T6553] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3)) [ 329.346023][ T6553] ? netdev_nl_qstats_get_dumpit (./include/net/netdev_lock.h:33) [ 329.346138][ T6553] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 329.346231][ T6553] genl_rcv_msg (net/netlink/genetlink.c:1209) [ 329.346325][ T6553] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 329.346415][ T6553] ? genl_family_rcv_msg (net/netlink/genetlink.c:1136 (discriminator 2)) [ 329.346506][ T6553] ? netlink_ack (./include/linux/skbuff.h:2717) [ 329.346608][ T6553] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:333 (discriminator 2)) [ 329.346702][ T6553] ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:340 (discriminator 2)) [ 329.346794][ T6553] genl_rcv (net/netlink/genetlink.c:1218) [ 329.346865][ T6553] netlink_unicast (net/netlink/af_netlink.c:1318 net/netlink/af_netlink.c:1344) [ 329.346957][ T6553] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 329.347049][ T6553] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 329.347141][ T6553] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1)) [ 329.347262][ T6553] ? __wake_up (./include/linux/spinlock.h:408 (discriminator 3) kernel/sched/wait.c:127 (discriminator 3) kernel/sched/wait.c:146 (discriminator 3)) [ 329.347332][ T6553] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 329.347426][ T6553] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7)) [ 329.347523][ T6553] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 329.347614][ T6553] ? __might_fault (mm/memory.c:7324 (discriminator 5)) [ 329.347707][ T6553] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4)) [ 329.347805][ T6553] ? __ia32_sys_getpeername (net/socket.c:2219) [ 329.347896][ T6553] ? __might_fault (mm/memory.c:7324 (discriminator 5)) [ 329.347989][ T6553] ? __ia32_sys_connect (net/socket.c:2170) [ 329.348082][ T6553] ? __sys_bind (net/socket.c:1933 (discriminator 3) net/socket.c:1964 (discriminator 3)) [ 329.348175][ T6553] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268) [ 329.348266][ T6553] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 329.348385][ T6553] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 329.348478][ T6553] ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89) [ 329.348571][ T6553] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 329.348664][ T6553] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1)) [ 329.348754][ T6553] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3)) [ 329.348848][ T6553] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 329.348965][ T6553] RIP: 0033:0x7f334e6fc0ee [ 329.349065][ T6553] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 94 bd 00 00 call 0xbd9c 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 329.349388][ T6553] RSP: 002b:00007ffd7bff00d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 329.349529][ T6553] RAX: ffffffffffffffda RBX: 00007ffd7bff0140 RCX: 00007f334e6fc0ee [ 329.349673][ T6553] RDX: 0000000000000038 RSI: 000000001b62c988 RDI: 0000000000000006 [ 329.349812][ T6553] RBP: 00007ffd7bff00e0 R08: 0000000000000000 R09: 0000000000000000 [ 329.349949][ T6553] R10: 0000000000000000 R11: 0000000000000202 R12: 000000001b62c988 Finger prints: page_pool_set_pp_info:mp_dmabuf_devmem_alloc_netmems:fbnic_fill_bdq:__fbnic_nv_restart:fbnic_queue_start print_report:kasan_report:kasan_check_range:__asan_memcpy:snapshot_page