===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbd1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbde/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbde/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:312 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1275/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1275/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:313 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1295/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:313 [inline] profile_hits+0x1295/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbd1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbde/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbde/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:309 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1252/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:309 [inline] profile_hits+0x1252/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbd1/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbde/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbde/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:309 [inline] BUG: KMSAN: uninit-value in profile_hits+0x1252/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:309 [inline] profile_hits+0x1252/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000f815e7f4 R11: 00000000925b24d2 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:540 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa28/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000119a344c R11: 00000000120032f8 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:541 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa47/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000119a344c R11: 00000000120032f8 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:541 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa47/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18351 Comm: kworker/0:8 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192 Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6 RSP: 0018:ffff88812e85f970 EFLAGS: 00000206 RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648 RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648 RBP: ffff88812e85f988 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000119a344c R11: 00000000120032f8 R12: ffff88810013f648 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] _extract_crng+0x678/0x6c0 drivers/char/random.c:1019 extract_crng drivers/char/random.c:1032 [inline] _get_random_bytes+0x373/0x560 drivers/char/random.c:1555 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:541 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline] nsim_dev_trap_report_work+0xa47/0x1180 drivers/net/netdevsim/dev.c:611 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421 kthread+0x521/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18713 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:kmsan_get_shadow_origin_ptr+0x8/0xb0 mm/kmsan/kmsan_shadow.c:133 Code: 75 10 48 8b 45 b8 c6 80 3c 1a 00 00 01 e9 63 fe ff ff 48 c7 c7 7f 3a 7a 90 31 c0 e8 eb e5 25 ff cc cc 55 48 89 e5 41 57 41 56 <53> 41 89 d7 48 89 f3 49 89 fe 48 81 fe 01 10 00 00 73 6e 80 3d d6 RSP: 0018:ffff88805ef975b0 EFLAGS: 00000246 RAX: ffffffff81a749b9 RBX: 0000000000000011 RCX: 0000000000040000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88805ef97648 RBP: ffff88805ef975c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000b9d61c83 R11: 00000000ffffffff R12: ffff88805ef97648 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888112e40a88 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:54 csd_lock_wait kernel/smp.c:228 [inline] smp_call_function_single+0x47e/0x690 kernel/smp.c:516 smp_call_function_many_cond+0xdd9/0x1190 kernel/smp.c:652 smp_call_function_many kernel/smp.c:715 [inline] smp_call_function kernel/smp.c:737 [inline] on_each_cpu+0xe7/0x1c0 kernel/smp.c:836 flush_tlb_kernel_range+0xc7/0x220 arch/x86/mm/tlb.c:950 kmsan_map_kernel_range_noflush+0x1c4/0x210 mm/kmsan/kmsan_shadow.c:320 map_kernel_range_noflush mm/vmalloc.c:329 [inline] map_kernel_range mm/vmalloc.c:339 [inline] __vmalloc_area_node mm/vmalloc.c:2540 [inline] __vmalloc_node_range+0xc83/0x1310 mm/vmalloc.c:2590 __vmalloc_node mm/vmalloc.c:2633 [inline] vmalloc+0xe0/0xf0 mm/vmalloc.c:2666 netlink_alloc_large_skb net/netlink/af_netlink.c:1189 [inline] netlink_sendmsg+0xe4a/0x1840 net/netlink/af_netlink.c:1902 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0xcfc/0x12f0 net/socket.c:2350 ___sys_sendmsg net/socket.c:2404 [inline] __sys_sendmsg+0x714/0x830 net/socket.c:2433 __do_sys_sendmsg net/socket.c:2442 [inline] __se_sys_sendmsg+0x97/0xb0 net/socket.c:2440 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2440 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007effda80f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 0000000000a9fb1f R14: 00007effda80f300 R15: 0000000000022000 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18713 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:kmsan_get_shadow_origin_ptr+0x8/0xb0 mm/kmsan/kmsan_shadow.c:133 Code: 75 10 48 8b 45 b8 c6 80 3c 1a 00 00 01 e9 63 fe ff ff 48 c7 c7 7f 3a 7a 90 31 c0 e8 eb e5 25 ff cc cc 55 48 89 e5 41 57 41 56 <53> 41 89 d7 48 89 f3 49 89 fe 48 81 fe 01 10 00 00 73 6e 80 3d d6 RSP: 0018:ffff88805ef975b0 EFLAGS: 00000246 RAX: ffffffff81a749b9 RBX: 0000000000000011 RCX: 0000000000040000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88805ef97648 RBP: ffff88805ef975c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000b9d61c83 R11: 00000000ffffffff R12: ffff88805ef97648 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888112e40a88 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:54 csd_lock_wait kernel/smp.c:228 [inline] smp_call_function_single+0x47e/0x690 kernel/smp.c:516 smp_call_function_many_cond+0xdd9/0x1190 kernel/smp.c:652 smp_call_function_many kernel/smp.c:715 [inline] smp_call_function kernel/smp.c:737 [inline] on_each_cpu+0xe7/0x1c0 kernel/smp.c:836 flush_tlb_kernel_range+0xc7/0x220 arch/x86/mm/tlb.c:950 kmsan_map_kernel_range_noflush+0x1c4/0x210 mm/kmsan/kmsan_shadow.c:320 map_kernel_range_noflush mm/vmalloc.c:329 [inline] map_kernel_range mm/vmalloc.c:339 [inline] __vmalloc_area_node mm/vmalloc.c:2540 [inline] __vmalloc_node_range+0xc83/0x1310 mm/vmalloc.c:2590 __vmalloc_node mm/vmalloc.c:2633 [inline] vmalloc+0xe0/0xf0 mm/vmalloc.c:2666 netlink_alloc_large_skb net/netlink/af_netlink.c:1189 [inline] netlink_sendmsg+0xe4a/0x1840 net/netlink/af_netlink.c:1902 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0xcfc/0x12f0 net/socket.c:2350 ___sys_sendmsg net/socket.c:2404 [inline] __sys_sendmsg+0x714/0x830 net/socket.c:2433 __do_sys_sendmsg net/socket.c:2442 [inline] __se_sys_sendmsg+0x97/0xb0 net/socket.c:2440 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2440 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007effda80f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 0000000000a9fb1f R14: 00007effda80f300 R15: 0000000000022000 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 ===================================================== ===================================================== BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline] BUG: KMSAN: uninit-value in profile_hits+0xbeb/0x12f0 kernel/profile.c:398 CPU: 0 PID: 18713 Comm: syz-executor.5 Tainted: G B 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x24c/0x2e0 lib/dump_stack.c:120 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197 do_profile_hits kernel/profile.c:308 [inline] profile_hits+0xbeb/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 RIP: 0010:kmsan_get_shadow_origin_ptr+0x8/0xb0 mm/kmsan/kmsan_shadow.c:133 Code: 75 10 48 8b 45 b8 c6 80 3c 1a 00 00 01 e9 63 fe ff ff 48 c7 c7 7f 3a 7a 90 31 c0 e8 eb e5 25 ff cc cc 55 48 89 e5 41 57 41 56 <53> 41 89 d7 48 89 f3 49 89 fe 48 81 fe 01 10 00 00 73 6e 80 3d d6 RSP: 0018:ffff88805ef975b0 EFLAGS: 00000246 RAX: ffffffff81a749b9 RBX: 0000000000000011 RCX: 0000000000040000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88805ef97648 RBP: ffff88805ef975c0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 00000000b9d61c83 R11: 00000000ffffffff R12: ffff88805ef97648 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888112e40a88 __msan_metadata_ptr_for_load_4+0x10/0x20 mm/kmsan/kmsan_instr.c:54 csd_lock_wait kernel/smp.c:228 [inline] smp_call_function_single+0x47e/0x690 kernel/smp.c:516 smp_call_function_many_cond+0xdd9/0x1190 kernel/smp.c:652 smp_call_function_many kernel/smp.c:715 [inline] smp_call_function kernel/smp.c:737 [inline] on_each_cpu+0xe7/0x1c0 kernel/smp.c:836 flush_tlb_kernel_range+0xc7/0x220 arch/x86/mm/tlb.c:950 kmsan_map_kernel_range_noflush+0x1c4/0x210 mm/kmsan/kmsan_shadow.c:320 map_kernel_range_noflush mm/vmalloc.c:329 [inline] map_kernel_range mm/vmalloc.c:339 [inline] __vmalloc_area_node mm/vmalloc.c:2540 [inline] __vmalloc_node_range+0xc83/0x1310 mm/vmalloc.c:2590 __vmalloc_node mm/vmalloc.c:2633 [inline] vmalloc+0xe0/0xf0 mm/vmalloc.c:2666 netlink_alloc_large_skb net/netlink/af_netlink.c:1189 [inline] netlink_sendmsg+0xe4a/0x1840 net/netlink/af_netlink.c:1902 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg net/socket.c:674 [inline] ____sys_sendmsg+0xcfc/0x12f0 net/socket.c:2350 ___sys_sendmsg net/socket.c:2404 [inline] __sys_sendmsg+0x714/0x830 net/socket.c:2433 __do_sys_sendmsg net/socket.c:2442 [inline] __se_sys_sendmsg+0x97/0xb0 net/socket.c:2440 __x64_sys_sendmsg+0x4a/0x70 net/socket.c:2440 do_syscall_64+0x9f/0x140 arch/x86/entry/common.c:48 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007effda80f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 0000000000a9fb1f R14: 00007effda80f300 R15: 0000000000022000 Uninit was stored to memory at: kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline] kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289 __msan_chain_origin+0x54/0xa0 mm/kmsan/kmsan_instr.c:147 do_profile_hits kernel/profile.c:312 [inline] profile_hits+0x1285/0x12f0 kernel/profile.c:398 profile_hit include/linux/profile.h:64 [inline] profile_tick+0x215/0x220 kernel/profile.c:408 tick_sched_handle kernel/time/tick-sched.c:227 [inline] tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650 Local variable ----sg.i@wg_packet_decrypt_worker created at: decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 decrypt_packet drivers/net/wireguard/receive.c:250 [inline] wg_packet_decrypt_worker+0x456/0x17b0 drivers/net/wireguard/receive.c:507 =====================================================