------------[ cut here ]------------ kernel BUG at arch/x86/mm/physaddr.c:28! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5622 Comm: kworker/0:8 Not tainted 6.15.0-rc2-syzkaller-00400-g3088d26962e8 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events nsim_fib_event_work RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28 Code: c2 bd 00 e9 3d ff ff ff e8 63 84 53 00 48 c7 c7 10 c3 ba 8e 4c 89 f6 4c 89 fa e8 41 b2 d0 03 e9 45 ff ff ff e8 47 84 53 00 90 <0f> 0b e8 3f 84 53 00 90 0f 0b e8 37 84 53 00 90 0f 0b 0f 1f 40 00 RSP: 0018:ffffc90002d6f548 EFLAGS: 00010293 RAX: ffffffff816f37b9 RBX: bbd437f6c36cef34 RCX: ffff88801f554880 RDX: 0000000000000000 RSI: bbd437f6c36cef34 RDI: bbd4af76436cef34 RBP: 0000000000000000 R08: ffffffff816f36ab R09: 1ffffffff20bfc8e R10: dffffc0000000000 R11: fffffbfff20bfc8f R12: bbd437f6436cef34 R13: ffffea0000000000 R14: bbd4af76436cef34 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5cf70cd628 CR3: 0000000040ada000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: virt_to_folio include/linux/mm.h:1385 [inline] virt_to_slab mm/slab.h:211 [inline] qlink_to_cache mm/kasan/quarantine.c:131 [inline] qlist_free_all+0x3d/0x140 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4161 [inline] slab_alloc_node mm/slub.c:4210 [inline] __kmalloc_cache_noprof+0x1c8/0x370 mm/slub.c:4367 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] nsim_fib6_rt_create drivers/net/netdevsim/fib.c:547 [inline] nsim_fib6_rt_insert drivers/net/netdevsim/fib.c:752 [inline] nsim_fib6_event drivers/net/netdevsim/fib.c:856 [inline] nsim_fib_event drivers/net/netdevsim/fib.c:889 [inline] nsim_fib_event_work+0x17db/0x3f10 drivers/net/netdevsim/fib.c:1493 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__phys_addr+0x15a/0x170 arch/x86/mm/physaddr.c:28 Code: c2 bd 00 e9 3d ff ff ff e8 63 84 53 00 48 c7 c7 10 c3 ba 8e 4c 89 f6 4c 89 fa e8 41 b2 d0 03 e9 45 ff ff ff e8 47 84 53 00 90 <0f> 0b e8 3f 84 53 00 90 0f 0b e8 37 84 53 00 90 0f 0b 0f 1f 40 00 RSP: 0018:ffffc90002d6f548 EFLAGS: 00010293 RAX: ffffffff816f37b9 RBX: bbd437f6c36cef34 RCX: ffff88801f554880 RDX: 0000000000000000 RSI: bbd437f6c36cef34 RDI: bbd4af76436cef34 RBP: 0000000000000000 R08: ffffffff816f36ab R09: 1ffffffff20bfc8e R10: dffffc0000000000 R11: fffffbfff20bfc8f R12: bbd437f6436cef34 R13: ffffea0000000000 R14: bbd4af76436cef34 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5cf70cd628 CR3: 0000000040ada000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400