====================================== | [ 14.812745][ T239] ================================================================== | [ 14.813087][ T239] BUG: KASAN: use-after-free in page_pool_item_uninit (net/core/page_pool.c:523) | [ 14.813372][ T239] Read of size 8 at addr ffff88800a2dc008 by task ip/239 | [ 14.813628][ T239] [ 14.813936][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.814133][ T239] Call Trace: [ 14.814304][ T239] [ 14.814385][ T239] dump_stack_lvl (lib/dump_stack.c:123) [ 14.814544][ T239] print_address_description.constprop.0 (mm/kasan/report.c:379) [ 14.814733][ T239] ? page_pool_item_uninit (net/core/page_pool.c:523) [ 14.814895][ T239] print_report (mm/kasan/report.c:490) [ 14.815098][ T239] ? kasan_addr_to_slab (./include/linux/mm.h:1295 mm/kasan/../slab.h:211 mm/kasan/common.c:38) [ 14.815256][ T239] kasan_report (mm/kasan/report.c:604) [ 14.815387][ T239] ? page_pool_item_uninit (net/core/page_pool.c:523) [ 14.815551][ T239] page_pool_item_uninit (net/core/page_pool.c:523) [ 14.815759][ T239] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484) [ 14.815910][ T239] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 14.816099][ T239] ? __pfx_page_pool_release (net/core/page_pool.c:1478) [ 14.816249][ T239] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832) [ 14.816438][ T239] page_pool_destroy (net/core/page_pool.c:1555) [ 14.816643][ T239] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim [ 14.816813][ T239] __dev_close_many (net/core/dev.c:1591) [ 14.817005][ T239] ? __pfx___dev_close_many (net/core/dev.c:1555) [ 14.817175][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 14.817378][ T239] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 14.817586][ T239] __dev_change_flags (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/core/dev.c:1604 net/core/dev.c:8977) [ 14.817764][ T239] ? __pfx___dev_change_flags (net/core/dev.c:8943) [ 14.817930][ T239] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 14.818141][ T239] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 14.818315][ T239] dev_change_flags (net/core/dev.c:9051) [ 14.818466][ T239] do_setlink.constprop.0 (net/core/rtnetlink.c:3118) [ 14.818674][ T239] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999) [ 14.818863][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 14.819026][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025) [ 14.819216][ T239] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926) [ 14.819381][ T239] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916) [ 14.819536][ T239] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104) [ 14.819742][ T239] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 14.819931][ T239] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 14.820080][ T239] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37)) [ 14.820229][ T239] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735) [ 14.820393][ T239] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 14.820601][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025) [ 14.820752][ T239] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 14.820906][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:3876) [ 14.821069][ T239] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027) [ 14.821276][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917) [ 14.821446][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.821600][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 14.821798][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 14.821956][ T239] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914) [ 14.822109][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917) [ 14.822314][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916) [ 14.822554][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819) [ 14.822712][ T239] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 14.822908][ T239] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 14.823035][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 14.823189][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 14.823351][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819) [ 14.823504][ T239] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 14.823678][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 14.823872][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 14.824057][ T239] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 14.824209][ T239] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 14.824413][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.824571][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 14.824726][ T239] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 14.824881][ T239] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [ 14.825035][ T239] ? __pfx_____sys_sendmsg (net/socket.c:2540) [ 14.825190][ T239] ? __pfx_copy_msghdr_from_user (net/socket.c:2520) [ 14.825454][ T239] ___sys_sendmsg (net/socket.c:2650) [ 14.825626][ T239] ? __pfx____sys_sendmsg (net/socket.c:2637) [ 14.825812][ T239] ? kasan_save_stack (mm/kasan/common.c:49) [ 14.825984][ T239] ? kasan_save_stack (mm/kasan/common.c:48) [ 14.826136][ T239] ? __kasan_record_aux_stack (mm/kasan/generic.c:544) [ 14.826312][ T239] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 14.826584][ T239] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) [ 14.826735][ T239] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 14.826890][ T239] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 14.827104][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 14.827272][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.827427][ T239] ? __lock_release (kernel/locking/lockdep.c:5525) [ 14.827575][ T239] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65) [ 14.827727][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 14.827878][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 14.828030][ T239] __sys_sendmsg (net/socket.c:2680) [ 14.828182][ T239] ? __pfx___sys_sendmsg (net/socket.c:2665) [ 14.828344][ T239] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643) [ 14.828545][ T239] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 14.828695][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 14.828884][ T239] RIP: 0033:0x7efe4043a9a7 [ 14.829047][ T239] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 14.829608][ T239] RSP: 002b:00007ffe1697ca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.829841][ T239] RAX: ffffffffffffffda RBX: 00007ffe1697d190 RCX: 00007efe4043a9a7 [ 14.830079][ T239] RDX: 0000000000000000 RSI: 00007ffe1697cad0 RDI: 0000000000000003 [ 14.830328][ T239] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 14.830565][ T239] R10: 00007efe402f8ef8 R11: 0000000000000246 R12: 0000000000000003 [ 14.830788][ T239] R13: 00000000677c4c00 R14: 0000000000498600 R15: 0000000000000000 | [ 14.834500][ T239] Disabling lock debugging due to kernel taint | [ 14.834700][ T239] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI | [ 14.835063][ T239] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7] | [ 14.835620][ T239] Tainted: [B]=BAD_PAGE [ 14.835737][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.835922][ T239] RIP: 0010:page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524) [ 14.836112][ T239] Code: 95 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 5d bc 68 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41 All code ======== 0: 95 xchg %eax,%ebp 1: 48 bb 00 00 00 00 00 movabs $0xdffffc0000000000,%rbx 8: fc ff df b: 48 c1 ed 03 shr $0x3,%rbp f: 48 01 dd add %rbx,%rbp 12: 4d 8d 75 1c lea 0x1c(%r13),%r14 16: be 04 00 00 00 mov $0x4,%esi 1b: 4c 89 f7 mov %r14,%rdi 1e: e8 5d bc 68 fe call 0xfffffffffe68bc80 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax 2a:* 0f b6 14 18 movzbl (%rax,%rbx,1),%edx <-- trapping instruction 2e: 4c 89 f0 mov %r14,%rax 31: 83 e0 07 and $0x7,%eax 34: 83 c0 03 add $0x3,%eax 37: 38 d0 cmp %dl,%al 39: 7c 04 jl 0x3f 3b: 84 d2 test %dl,%dl 3d: 75 62 jne 0xa1 3f: 41 rex.B Code starting with the faulting instruction =========================================== 0: 0f b6 14 18 movzbl (%rax,%rbx,1),%edx 4: 4c 89 f0 mov %r14,%rax 7: 83 e0 07 and $0x7,%eax a: 83 c0 03 add $0x3,%eax d: 38 d0 cmp %dl,%al f: 7c 04 jl 0x15 11: 84 d2 test %dl,%dl 13: 75 62 jne 0x77 15: 41 rex.B [ 14.836717][ T239] RSP: 0018:ffffc900006e6f98 EFLAGS: 00010a06 [ 14.836960][ T239] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff94237b43 [ 14.837232][ T239] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0 [ 14.837551][ T239] RBP: fffffbfff2ad8878 R08: 0000000000000000 R09: fffffbfff2e99888 [ 14.837897][ T239] R10: ffffffff974cc447 R11: ffffc900006e6a80 R12: ffff88800e769e20 [ 14.838162][ T239] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000 [ 14.838390][ T239] FS: 00007efe4022e800(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 14.838678][ T239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.838897][ T239] CR2: 00000000004e5938 CR3: 00000000090d8005 CR4: 0000000000772ef0 [ 14.839157][ T239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 14.839453][ T239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 14.839731][ T239] PKRU: 55555554 [ 14.839847][ T239] Call Trace: [ 14.839956][ T239] [ 14.840032][ T239] ? die_addr (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:460) [ 14.840148][ T239] ? exc_general_protection (arch/x86/kernel/traps.c:751 arch/x86/kernel/traps.c:693) [ 14.840311][ T239] ? asm_exc_general_protection (./arch/x86/include/asm/idtentry.h:617) [ 14.840466][ T239] ? page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524) [ 14.840616][ T239] ? page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524) [ 14.840762][ T239] ? page_pool_item_uninit (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/linux/refcount.h:136 net/core/page_pool.c:524) [ 14.840941][ T239] page_pool_release (net/core/page_pool.c:1431 net/core/page_pool.c:1484) [ 14.841088][ T239] ? __pfx_autoremove_wake_function (kernel/sched/wait.c:383) [ 14.841274][ T239] ? __pfx_page_pool_release (net/core/page_pool.c:1478) [ 14.841424][ T239] ? napi_disable (./arch/x86/include/asm/bitops.h:75 ./include/asm-generic/bitops/instrumented-atomic.h:42 net/core/dev.c:6832) [ 14.841572][ T239] page_pool_destroy (net/core/page_pool.c:1555) [ 14.841716][ T239] nsim_stop (drivers/net/netdevsim/netdev.c:469 drivers/net/netdevsim/netdev.c:483) netdevsim [ 14.841877][ T239] __dev_close_many (net/core/dev.c:1591) [ 14.842022][ T239] ? __pfx___dev_close_many (net/core/dev.c:1555) [ 14.842166][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4321) [ 14.842321][ T239] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 14.842505][ T239] __dev_change_flags (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/core/dev.c:1604 net/core/dev.c:8977) [ 14.842650][ T239] ? __pfx___dev_change_flags (net/core/dev.c:8943) [ 14.842796][ T239] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364) [ 14.842941][ T239] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860) [ 14.843088][ T239] dev_change_flags (net/core/dev.c:9051) [ 14.843267][ T239] do_setlink.constprop.0 (net/core/rtnetlink.c:3118) [ 14.843436][ T239] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999) [ 14.843621][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851) [ 14.843772][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025) [ 14.843913][ T239] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3926) [ 14.844094][ T239] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6916) [ 14.844240][ T239] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104) [ 14.844443][ T239] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79) [ 14.844623][ T239] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 14.844778][ T239] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37)) [ 14.844925][ T239] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735) [ 14.845071][ T239] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 14.845248][ T239] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4025) [ 14.845473][ T239] ? __pfx___mutex_lock (kernel/locking/mutex.c:734) [ 14.845674][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:3876) [ 14.845873][ T239] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4027) [ 14.846039][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917) [ 14.846203][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.846384][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 14.846589][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 14.846836][ T239] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6914) [ 14.846998][ T239] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3917) [ 14.847157][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:6916) [ 14.847331][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819) [ 14.847576][ T239] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 14.847736][ T239] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3)) [ 14.847856][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 14.848018][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2543) [ 14.848177][ T239] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6819) [ 14.848367][ T239] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520) [ 14.848535][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340) [ 14.848706][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 14.848869][ T239] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348) [ 14.849118][ T239] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333) [ 14.849335][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.849498][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1892) [ 14.849661][ T239] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811) [ 14.849902][ T239] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594) [ 14.850069][ T239] ? __pfx_____sys_sendmsg (net/socket.c:2540) [ 14.850252][ T239] ? __pfx_copy_msghdr_from_user (net/socket.c:2520) [ 14.850593][ T239] ___sys_sendmsg (net/socket.c:2650) [ 14.850740][ T239] ? __pfx____sys_sendmsg (net/socket.c:2637) [ 14.850889][ T239] ? kasan_save_stack (mm/kasan/common.c:49) [ 14.851035][ T239] ? kasan_save_stack (mm/kasan/common.c:48) [ 14.851267][ T239] ? __kasan_record_aux_stack (mm/kasan/generic.c:544) [ 14.851477][ T239] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087) [ 14.851658][ T239] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539) [ 14.851803][ T239] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 14.852056][ T239] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 14.852328][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5226) [ 14.852492][ T239] ? find_held_lock (kernel/locking/lockdep.c:5339) [ 14.852692][ T239] ? __lock_release (kernel/locking/lockdep.c:5525) [ 14.852933][ T239] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65) [ 14.853123][ T239] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 14.853326][ T239] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 14.853565][ T239] __sys_sendmsg (net/socket.c:2680) [ 14.853807][ T239] ? __pfx___sys_sendmsg (net/socket.c:2665) [ 14.853954][ T239] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643) [ 14.854153][ T239] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 14.854349][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 14.854684][ T239] RIP: 0033:0x7efe4043a9a7 [ 14.854885][ T239] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0a 00 or (%rax),%al 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 14.855550][ T239] RSP: 002b:00007ffe1697ca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 14.855904][ T239] RAX: ffffffffffffffda RBX: 00007ffe1697d190 RCX: 00007efe4043a9a7 [ 14.856409][ T239] RDX: 0000000000000000 RSI: 00007ffe1697cad0 RDI: 0000000000000003 [ 14.856748][ T239] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 14.857092][ T239] R10: 00007efe402f8ef8 R11: 0000000000000246 R12: 0000000000000003 Finger prints: print_report:kasan_report:page_pool_item_uninit:page_pool_release:page_pool_destroy page_pool_item_uninit:page_pool_release:page_pool_destroy:nsim_stop:__dev_close_many