FAT-fs (loop7): bogus number of reserved sectors FAT-fs (loop7): Can't find a valid FAT filesystem loop2: detected capacity change from 0 to 16256 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 24963 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 Modules linked in: CPU: 0 PID: 24963 Comm: syz-executor.6 Not tainted 5.17.0-rc8-next-20220318 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:untrack_pfn+0x247/0x290 Code: 84 6c ff ff ff e8 09 1f 30 00 4c 89 ee 4c 89 e7 e8 9e db ff ff e8 f9 1e 30 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 e9 1e 30 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 aa 80 61 00 e9 98 fe ff ff e8 90 RSP: 0018:ffff888044de7748 EFLAGS: 00010216 RAX: 0000000000028dd2 RBX: ffff88800bea9e00 RCX: ffffc9000aa00000 RDX: 0000000000040000 RSI: ffffffff81133257 RDI: 0000000000000003 RBP: 1ffff110089bcee9 R08: 0000000000000000 R09: ffff888041d252a3 R10: ffffffff81133126 R11: 0000000000000001 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800bea9e50 FS: 00007f9fbf223700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fab2853c000 CR3: 0000000040630000 CR4: 0000000000350ef0 Call Trace: unmap_single_vma+0x1bc/0x310 unmap_vmas+0x16b/0x2f0 exit_mmap+0x192/0x460 mmput+0xc8/0x380 dup_mm+0xdd1/0x1250 copy_process+0x3a28/0x6d10 kernel_clone+0xe7/0xa60 __do_sys_fork+0x8a/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9fc1cadb19 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:00007f9fbf223188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f9fc1dc0f60 RCX: 00007f9fc1cadb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f9fbf2231d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe50d9a82f R14: 00007f9fbf223300 R15: 0000000000022000 irq event stamp: 1695 hardirqs last enabled at (1703): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1712): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1014): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (929): [] __irq_exit_rcu+0x113/0x170 ---[ end trace 0000000000000000 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 25316 Comm: syz-executor.4 Tainted: G W 5.17.0-rc8-next-20220318 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa should_failslab+0x5/0x10 kmem_cache_alloc+0x5b/0x480 create_object.isra.0+0x3a/0xa20 kmem_cache_alloc+0x239/0x480 anon_vma_fork+0xed/0x6a0 dup_mm+0x91b/0x1250 copy_process+0x3a28/0x6d10 kernel_clone+0xe7/0xa60 __do_sys_fork+0x8a/0xc0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe050cdfb19 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:00007fe04e255188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007fe050df2f60 RCX: 00007fe050cdfb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fe04e2551d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff3e6047df R14: 00007fe04e255300 R15: 0000000000022000