kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Modules linked in: CPU: 1 PID: 3327 Comm: syzkaller048048 Not tainted 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cc19b000 task.stack: ffff8801c8de0000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c8de79b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c8de79c0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8801cc19b000 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801bfd74200 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001caa3f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801bfd74358 ffff8801c8de7a20 ffffffff82664e11 ffff8801bfd74370 ffffed0037fae86b ffffed0037fae86e ffff8801bfd74368 dead4ead00000000 ffff8801bfd74340 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP general protection fault: 0000 [#2] PREEMPT SMP KASAN Dumping ftrace buffer: kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3322 Comm: syzkaller048048 Tainted: G D 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cb6ce000 task.stack: ffff8801c9f40000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c9f479b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c9f479c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801cb6ce000 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801bfd9a100 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001c78f5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801bfd9a258 ffff8801c9f47a20 ffffffff82664e11 ffff8801bfd9a270 ffffed0037fb344b ffffed0037fb344e ffff8801bfd9a268 dead4ead00000000 ffff8801bfd9a240 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP general protection fault: 0000 [#3] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Modules linked in: CPU: 1 PID: 3320 Comm: syzkaller048048 Tainted: G D 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c9818000 task.stack: ffff8801c9ee8000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c9eef9b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c9eef9c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801c9818000 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801bfdb2100 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001c92e4000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801bfdb2258 ffff8801c9eefa20 ffffffff82664e11 ffff8801bfdb2270 ffffed0037fb644b ffffed0037fb644e ffff8801bfdb2268 dead4ead00000000 ffff8801bfdb2240 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP general protection fault: 0000 [#4] PREEMPT SMP KASAN kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3323 Comm: syzkaller048048 Tainted: G D 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cc1db000 task.stack: ffff8801c0c98000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c0c9f9b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c0c9f9c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801cc1db000 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801bfd9c200 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001c9193000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801bfd9c358 ffff8801c0c9fa20 ffffffff82664e11 ffff8801bfd9c370 ffffed0037fb386b ffffed0037fb386e ffff8801bfd9c368 dead4ead00000000 ffff8801bfd9c340 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP general protection fault: 0000 [#5] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3326 Comm: syzkaller048048 Tainted: G D 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cc199800 task.stack: ffff8801c0c58000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c0c5f9b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c0c5f9c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801cc199800 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801bfdb4200 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001c9b62000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801bfdb4358 ffff8801c0c5fa20 ffffffff82664e11 ffff8801bfdb4370 ffffed0037fb686b ffffed0037fb686e ffff8801bfdb4368 dead4ead00000000 ffff8801bfdb4340 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#6] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 3325 Comm: syzkaller048048 Tainted: G D 4.9.71-g2506378 #113 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801cc1d8000 task.stack: ffff8801c9ec8000 RIP: 0010:[] [] __read_once_size include/linux/compiler.h:243 [inline] RIP: 0010:[] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP: 0010:[] [] page_ref_count include/linux/page_ref.h:66 [inline] RIP: 0010:[] [] put_page_testzero include/linux/mm.h:450 [inline] RIP: 0010:[] [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP: 0018:ffff8801c9ecf9b0 EFLAGS: 00010a07 RAX: dffffc0000000000 RBX: dead4ead00000000 RCX: ffffffff82664deb RDX: 1bd5a9d5a0000003 RSI: 0000000000000001 RDI: dead4ead0000001c RBP: ffff8801c9ecf9c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8801cc1d8000 R12: 0000000000000004 R13: 0000000000000020 R14: ffff8801c3412100 R15: dffffc0000000000 FS: 000000000115c940(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020dc8000 CR3: 00000001c8e08000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffffffff838af9b9 ffff8801c3412258 ffff8801c9ecfa20 ffffffff82664e11 ffff8801c3412270 ffffed003868244b ffffed003868244e ffff8801c3412268 dead4ead00000000 ffff8801c3412240 0000000000000000 0000000000000000 Call Trace: [] sg_remove_scat.isra.19+0x1c1/0x2d0 drivers/scsi/sg.c:1954 [] sg_finish_rem_req+0x2b5/0x340 drivers/scsi/sg.c:1836 [] sg_new_read.isra.20+0x356/0x3e0 drivers/scsi/sg.c:567 [] sg_read+0x8bd/0x1440 drivers/scsi/sg.c:456 [] do_loop_readv_writev.part.17+0x141/0x1e0 fs/read_write.c:714 [] do_loop_readv_writev fs/read_write.c:880 [inline] [] do_readv_writev+0x520/0x750 fs/read_write.c:874 [] vfs_readv+0x84/0xc0 fs/read_write.c:898 [] do_readv+0xe6/0x250 fs/read_write.c:924 [] SYSC_readv fs/read_write.c:1011 [inline] [] SyS_readv+0x27/0x30 fs/read_write.c:1008 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Code: e9 27 fc ff ff 0f 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 55 48 89 e5 53 48 89 fb 48 83 c7 1c 48 89 fa 48 83 ec 08 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 3d RIP [] __read_once_size include/linux/compiler.h:243 [inline] RIP [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] RIP [] page_ref_count include/linux/page_ref.h:66 [inline] RIP [] put_page_testzero include/linux/mm.h:450 [inline] RIP [] __free_pages+0x21/0x80 mm/page_alloc.c:3903 RSP ---[ end trace 0b0245ec24ae701c ]---